{"id":528269,"date":"2026-07-17T01:54:17","date_gmt":"2026-07-17T05:54:17","guid":{"rendered":"https:\/\/www.fs1inc.com\/blog\/?p=528269"},"modified":"2026-07-17T01:54:17","modified_gmt":"2026-07-17T05:54:17","slug":"1998-mitsubishi-eclipse-pcm-replacement-guide","status":"publish","type":"post","link":"https:\/\/www.fs1inc.com\/blog\/1998-mitsubishi-eclipse-pcm-replacement-guide\/","title":{"rendered":"1998 Mitsubishi Eclipse PCM Replacement: What Owners Should Know"},"content":{"rendered":"<div class=\"container\">\n<section class=\"hero\">\n<div class=\"code-badge\">PCM<\/div>\n<h1>1998 Mitsubishi Eclipse PCM Replacement: What Owners Should Know<\/h1>\n<p class=\"hero-subtitle\">The powertrain control module (PCM) in your 1998 Mitsubishi Eclipse manages engine performance and transmission behavior. When it fails, you may experience erratic idling, stalling, or a no-start condition due to disrupted fuel, spark, or sensor coordination.<\/p>\n<\/section>\n<div class=\"quick-summary\">\n<h2>Quick Summary<\/h2>\n<ul>\n<li>The PCM controls engine and transmission functions in the 1998 Eclipse 2.0L.<\/li>\n<li>Replacement typically requires 0.9 hours of labor, plus a 0.5-hour relearn procedure.<\/li>\n<li>Common failure signs include stalling, misfires, and communication errors with scan tools.<\/li>\n<li>A VIN-programmed replacement unit eliminates the need for post-install programming.<\/li>\n<li>Ignoring PCM issues may lead to further drivability problems or sensor-related codes.<\/li>\n<\/ul>\n<\/div>\n<div class=\"info-section\">\n<p>If your 1998 Mitsubishi Eclipse has been acting up\u2014stalling at stops, refusing to start, or throwing unexplained check engine lights\u2014the powertrain control module (PCM) may be the culprit. This small but critical computer oversees everything from fuel delivery to ignition timing, and when it malfunctions, your vehicle\u2019s performance suffers. Replacing it isn\u2019t just about swapping a part; it involves precise labor, programming, and understanding how this module interacts with your Eclipse\u2019s systems. Knowing what to expect can help you avoid unnecessary delays, whether you\u2019re tackling the job yourself or leaving it to a shop. This guide breaks down the role of the PCM, common failure symptoms, and what the replacement process entails\u2014so you can make an informed decision without the guesswork.<\/p>\n<\/div>\n<div class=\"info-section\">\n<h2>What the PCM Does in a 1998 Mitsubishi Eclipse<\/h2>\n<p>In your 1998 Mitsubishi Eclipse, the powertrain control module (PCM) acts as the brain of the engine and transmission. It processes data from sensors monitoring throttle position, oxygen levels, and engine speed to optimize fuel injection, ignition timing, and shift points. Without a properly functioning PCM, your Eclipse may struggle with poor acceleration, rough idling, or even fail to start. The module also communicates with the onboard diagnostics system, which is why a failing PCM often triggers check engine lights or <a href=\"https:\/\/www.fs1inc.com\/chrysler-dodge-plymouth\/mitsubishi-pcm-ecm-ecu-engine-computer\/eclipse-engine-computers.html\">replacement engine computers for the Eclipse<\/a> that store trouble codes. Given its role in coordinating multiple systems, a malfunctioning PCM doesn\u2019t just affect drivability\u2014it can lead to long-term issues like catalytic converter damage or transmission wear if left unaddressed. For a vehicle of this age, the PCM is particularly vulnerable to voltage spikes, corrosion, or heat-related degradation, making it a common point of failure in high-mileage examples.<\/p>\n<\/div>\n<div class=\"info-section\">\n<h2>Where the PCM Is Located and What Replacement Involves<\/h2>\n<p>The PCM in your 1998 Mitsubishi Eclipse is located behind the driver-side kick panel, near the firewall. Accessing it requires removing the lower dashboard trim and possibly the driver\u2019s side carpeting to reach the mounting bolts. The replacement process involves disconnecting the battery, unplugging the wiring harness, and removing the module\u2019s mounting hardware. According to factory labor estimates, the removal and reinstallation (R&amp;R) procedure typically takes 0.9 hours. While the physical swap is straightforward, the module\u2019s position makes it susceptible to moisture or debris, so inspecting the connector and surrounding area for corrosion or damage is advisable before installation. Torque specifications for the mounting bolts are not provided, but snugging them evenly will prevent future vibration issues.<\/p>\n<table style=\"width:100%;border-collapse:collapse;margin:18px 0;font-size:15px\">\n<tr>\n<th style=\"border:1px solid #d6dbe3;background:#f2f5f9;padding:9px 12px;text-align:left\">Operation<\/th>\n<th style=\"border:1px solid #d6dbe3;background:#f2f5f9;padding:9px 12px;text-align:left\">Configuration<\/th>\n<th style=\"border:1px solid #d6dbe3;background:#f2f5f9;padding:9px 12px;text-align:left\">Book Time<\/th>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d6dbe3;padding:9px 12px\">Engine Control Module R&amp;R<\/td>\n<td style=\"border:1px solid #d6dbe3;padding:9px 12px\">All configurations<\/td>\n<td style=\"border:1px solid #d6dbe3;padding:9px 12px\">0.9 hr<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d6dbe3;padding:9px 12px\">Powertrain Control Module R&amp;R<\/td>\n<td style=\"border:1px solid #d6dbe3;padding:9px 12px\">All configurations<\/td>\n<td style=\"border:1px solid #d6dbe3;padding:9px 12px\">0.9 hr<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d6dbe3;padding:9px 12px\">Powertrain Control Module Relearn<\/td>\n<td style=\"border:1px solid #d6dbe3;padding:9px 12px\">All configurations<\/td>\n<td style=\"border:1px solid #d6dbe3;padding:9px 12px\">0.5 hr<\/td>\n<\/tr>\n<\/table>\n<\/div>\n<div class=\"info-section\">\n<h2>Programming Requirements After Replacement<\/h2>\n<p>After replacing the PCM in your 1998 Mitsubishi Eclipse, the factory procedure requires a 0.5-hour relearn process to synchronize the module with the vehicle\u2019s sensors and transmission. This step ensures proper fuel trim, ignition timing, and shift points are calibrated. However, if you install <a href=\"https:\/\/www.fs1inc.com\/1998-mitsubishi-eclipse-2-0l-engine-computer-pcm-ecm-ecu-programmed-plug-play.html\">a VIN-programmed replacement unit<\/a>, these programming steps are already completed, saving you time and the hassle of visiting a dealer or shop for initialization. Without this pre-programming, the vehicle may exhibit erratic behavior, such as poor idle quality or delayed shifts, until the relearn is performed. Flagship One\u2019s units arrive ready to install, eliminating the need for additional software tools or dealer visits, though you\u2019ll still want to verify all connections are secure before starting the engine.<\/p>\n<\/div>\n<div class=\"info-section\">\n<h2>Symptoms of a Failing PCM<\/h2>\n<p>A failing PCM in your 1998 Mitsubishi Eclipse can manifest in several ways, often mimicking other issues like fuel pump or ignition coil failures. Common symptoms include intermittent stalling, especially at idle or during deceleration, as the module loses its ability to regulate fuel and spark timing. You may also notice the engine misfiring or running rough, particularly under load, which can trigger random misfire detected or other cylinder-specific codes. Another telltale sign is a no-start condition, where the engine cranks but fails to fire, often due to the PCM cutting fuel or spark delivery. Communication problems are also frequent; a dead or unresponsive scan tool connection can indicate a PCM that\u2019s no longer sending or receiving data properly. Transmission shifting issues, such as harsh or delayed gear changes, may occur if the PCM\u2019s control over shift solenoids is compromised. In some cases, the check engine light may illuminate without storing any codes, as the module struggles to process sensor inputs. Given the age of these vehicles, voltage fluctuations from a weak battery or alternator can exacerbate PCM problems, so addressing electrical system health is often the first step in diagnosis.<\/p>\n<\/div>\n<div class=\"info-section\">\n<h2>Protecting the PCM in Your 1998 Mitsubishi Eclipse<\/h2>\n<ul style=\"margin:14px 0 6px 0;padding-left:26px\">\n<li style=\"margin:10px 0;line-height:1.65\">Keep your Eclipse\u2019s battery and charging system in good condition to prevent voltage spikes that can damage the PCM.<\/li>\n<li style=\"margin:10px 0;line-height:1.65\">Inspect and clean the PCM connector and wiring harness regularly to avoid corrosion or poor connections.<\/li>\n<li style=\"margin:10px 0;line-height:1.65\">Avoid jump-starting the vehicle with improper voltage, such as from a 24-volt system or a weak battery.<\/li>\n<li style=\"margin:10px 0;line-height:1.65\">Address check engine lights or drivability issues promptly to prevent secondary damage to the PCM or other components.<\/li>\n<li style=\"margin:10px 0;line-height:1.65\">Ensure the PCM\u2019s mounting area remains dry and free of debris to reduce the risk of moisture-related failures.<\/li>\n<li style=\"margin:10px 0;line-height:1.65\">Use dielectric grease on connectors to protect against corrosion, especially in humid or salty environments.<\/li>\n<\/ul>\n<\/div>\n<div class=\"info-section\">\n<h2>Frequently Asked Questions<\/h2>\n<h3>Why does my 1998 Eclipse stall when the PCM is failing?<\/h3>\n<p>The PCM controls fuel injection and ignition timing, so when it malfunctions, it may cut fuel or spark delivery unexpectedly. This often leads to stalling, particularly at idle or during deceleration, as the engine loses its ability to maintain stable operation. A weak electrical connection to the PCM can also cause intermittent stalling.<\/p>\n<h3>Can I drive my Eclipse with a bad PCM?<\/h3>\n<p>Driving with a failing PCM is risky, as it can lead to sudden stalling, misfires, or even a no-start condition. Over time, the lack of proper fuel or spark control may also damage other components, such as the catalytic converter or transmission. If you suspect PCM issues, it\u2019s best to address them promptly to avoid further complications.<\/p>\n<h3>How do I know if my Eclipse\u2019s PCM needs to be replaced or just reprogrammed?<\/h3>\n<p>If your Eclipse exhibits symptoms like stalling, misfires, or a no-start condition, the PCM may need replacement. However, if the issue is limited to poor performance or shifting problems, a reprogramming or relearn procedure might resolve it. A scan tool can help determine if the PCM is communicating properly or if internal faults are present.<\/p>\n<h3>What\u2019s the difference between the PCM and ECM in my 1998 Eclipse?<\/h3>\n<p>In your Eclipse, the terms PCM (powertrain control module) and ECM (engine control module) are often used interchangeably, but the PCM typically refers to the combined unit that controls both the engine and transmission. The ECM, if referenced separately, usually focuses solely on engine management. For this vehicle, the PCM is the primary module overseeing both systems.<\/p>\n<h3>Will a used PCM from another Eclipse work in my vehicle?<\/h3>\n<p>A used PCM from another Eclipse may physically fit, but it will need to be reprogrammed to match your vehicle\u2019s VIN and sensor calibrations. Without proper programming, the module may not communicate with your Eclipse\u2019s systems, leading to drivability issues or a no-start condition. A VIN-programmed replacement unit is often a more reliable option.<\/p>\n<\/div>\n<div class=\"info-section\">\n<p>If your 1998 Mitsubishi Eclipse is showing signs of PCM failure, you have a few options. A repair shop can diagnose and replace the module, though labor and programming costs can add up quickly. Alternatively, a pre-programmed replacement unit eliminates the need for post-install programming, saving time and hassle. Given the age of these vehicles, a refurbished or new PCM tailored to your Eclipse\u2019s specifications can restore reliable performance without the guesswork of used parts.<\/p>\n<figure style=\"margin:22px auto;text-align:center;max-width:720px\"><img decoding=\"async\" style=\"max-width:100%;height:auto;border:1px solid #e2e6ec;border-radius:8px\" src=\"https:\/\/www.fs1inc.com\/media\/wysiwyg\/googleshop\/chryslertcgray\/chryslertc-pcm-grayplug-1.jpg\" alt=\"Refurbished VIN-programmed PCM for the 1998 Mitsubishi Eclipse\" loading=\"lazy\"\/><figcaption style=\"font-size:13px;color:#667085;margin-top:8px\">A refurbished, VIN-programmed replacement PCM for the 1998 Mitsubishi Eclipse from Flagship One.<\/figcaption><\/figure>\n<p>Flagship One stocks a <a href=\"https:\/\/www.fs1inc.com\/1998-mitsubishi-eclipse-2-0l-engine-computer-pcm-ecm-ecu-programmed-plug-play.html\"><b>refurbished, VIN-programmed PCM for the 1998 Mitsubishi Eclipse<\/b><\/a> with a lifetime warranty, free shipping and no core charge. The full <a href=\"https:\/\/www.fs1inc.com\/chrysler-dodge-plymouth\/mitsubishi-pcm-ecm-ecu-engine-computer\/eclipse-engine-computers.html\">Mitsubishi Eclipse module lineup<\/a> covers other engine configurations as well.<\/p>\n<\/div>\n<div class=\"info-section\">\n<h2>Final Thoughts<\/h2>\n<p>The 1998 Mitsubishi Eclipse relies on its PCM to keep the engine and transmission running smoothly. When this module fails, symptoms like stalling, misfires, or a no-start condition can leave you stranded. Replacing it involves careful labor and, in most cases, a relearn procedure\u2014but a VIN-programmed unit simplifies the process. If your Eclipse is showing signs of PCM trouble, addressing it promptly can save you from further drivability issues down the road.<\/p>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>If your 1998 Mitsubishi Eclipse won\u2019t start, stalls, or throws misfire codes, the powertrain control module may be failing. Learn symptoms, labor times, and why a pre-programmed replacement can save time and hassle.<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"elementor_header_footer","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[258,295],"tags":[44,316,296],"class_list":["post-528269","post","type-post","status-publish","format-standard","hentry","category-car","category-mitsubishi","tag-44","tag-eclipse","tag-mitsubishi"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.0 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>1998 Mitsubishi Eclipse PCM Replacement: What Owners Should Know - Flagship One Blog<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.fs1inc.com\/blog\/1998-mitsubishi-eclipse-pcm-replacement-guide\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"1998 Mitsubishi Eclipse PCM Replacement: What Owners Should Know - Flagship One Blog\" \/>\n<meta property=\"og:description\" content=\"If your 1998 Mitsubishi Eclipse won\u2019t start, stalls, or throws misfire codes, the powertrain control module may be failing. Learn symptoms, labor times, and why a pre-programmed replacement can save time and hassle.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.fs1inc.com\/blog\/1998-mitsubishi-eclipse-pcm-replacement-guide\/\" \/>\n<meta property=\"og:site_name\" content=\"Flagship One Blog\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/flagshipone\" \/>\n<meta property=\"article:author\" content=\"https:\/\/www.facebook.com\/flagshipone\/\" \/>\n<meta property=\"article:published_time\" content=\"2026-07-17T05:54:17+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.fs1inc.com\/media\/wysiwyg\/googleshop\/chryslertcgray\/chryslertc-pcm-grayplug-1.jpg\" \/>\n<meta name=\"author\" content=\"FlagshipOne\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@theflagshipone\" \/>\n<meta name=\"twitter:site\" content=\"@theflagshipone\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"FlagshipOne\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"7 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/1998-mitsubishi-eclipse-pcm-replacement-guide\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/1998-mitsubishi-eclipse-pcm-replacement-guide\\\/\"},\"author\":{\"name\":\"FlagshipOne\",\"@id\":\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/#\\\/schema\\\/person\\\/a3cf463514bd03eb7656953ef8f75700\"},\"headline\":\"1998 Mitsubishi Eclipse PCM Replacement: What Owners Should Know\",\"datePublished\":\"2026-07-17T05:54:17+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/1998-mitsubishi-eclipse-pcm-replacement-guide\\\/\"},\"wordCount\":1523,\"commentCount\":0,\"publisher\":{\"@id\":\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/#organization\"},\"image\":{\"@id\":\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/1998-mitsubishi-eclipse-pcm-replacement-guide\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/www.fs1inc.com\\\/media\\\/wysiwyg\\\/googleshop\\\/chryslertcgray\\\/chryslertc-pcm-grayplug-1.jpg\",\"keywords\":[\"1998\",\"Eclipse\",\"Mitsubishi\"],\"articleSection\":[\"Car\",\"Mitsubishi\"],\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/1998-mitsubishi-eclipse-pcm-replacement-guide\\\/#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/1998-mitsubishi-eclipse-pcm-replacement-guide\\\/\",\"url\":\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/1998-mitsubishi-eclipse-pcm-replacement-guide\\\/\",\"name\":\"1998 Mitsubishi Eclipse PCM Replacement: What Owners Should Know - Flagship One Blog\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/1998-mitsubishi-eclipse-pcm-replacement-guide\\\/#primaryimage\"},\"image\":{\"@id\":\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/1998-mitsubishi-eclipse-pcm-replacement-guide\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/www.fs1inc.com\\\/media\\\/wysiwyg\\\/googleshop\\\/chryslertcgray\\\/chryslertc-pcm-grayplug-1.jpg\",\"datePublished\":\"2026-07-17T05:54:17+00:00\",\"breadcrumb\":{\"@id\":\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/1998-mitsubishi-eclipse-pcm-replacement-guide\\\/#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/1998-mitsubishi-eclipse-pcm-replacement-guide\\\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/1998-mitsubishi-eclipse-pcm-replacement-guide\\\/#primaryimage\",\"url\":\"https:\\\/\\\/www.fs1inc.com\\\/media\\\/wysiwyg\\\/googleshop\\\/chryslertcgray\\\/chryslertc-pcm-grayplug-1.jpg\",\"contentUrl\":\"https:\\\/\\\/www.fs1inc.com\\\/media\\\/wysiwyg\\\/googleshop\\\/chryslertcgray\\\/chryslertc-pcm-grayplug-1.jpg\"},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/1998-mitsubishi-eclipse-pcm-replacement-guide\\\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"1998 Mitsubishi Eclipse PCM Replacement: What Owners Should Know\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/#website\",\"url\":\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/\",\"name\":\"Flagship One Blog\",\"description\":\"Flagship One Inc. OEM Engine Computers  Control Modules\",\"publisher\":{\"@id\":\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/#organization\"},\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"en-US\"},{\"@type\":\"Organization\",\"@id\":\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/#organization\",\"name\":\"Flagship One, Inc.\",\"url\":\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/\",\"logo\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/#\\\/schema\\\/logo\\\/image\\\/\",\"url\":\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/wp-content\\\/uploads\\\/2019\\\/06\\\/web-lg-fs1-logo.png\",\"contentUrl\":\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/wp-content\\\/uploads\\\/2019\\\/06\\\/web-lg-fs1-logo.png\",\"width\":1341,\"height\":1098,\"caption\":\"Flagship One, Inc.\"},\"image\":{\"@id\":\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/#\\\/schema\\\/logo\\\/image\\\/\"},\"sameAs\":[\"https:\\\/\\\/www.facebook.com\\\/flagshipone\",\"https:\\\/\\\/x.com\\\/theflagshipone\",\"https:\\\/\\\/www.instagram.com\\\/flagship_one\",\"https:\\\/\\\/www.youtube.com\\\/channel\\\/UC0oyKphffBM2qkJ-gKPmMXw\"]},{\"@type\":\"Person\",\"@id\":\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/#\\\/schema\\\/person\\\/a3cf463514bd03eb7656953ef8f75700\",\"name\":\"FlagshipOne\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\\\/\\\/secure.gravatar.com\\\/avatar\\\/351b81e51993825aea73280c48061a7205fdd2189730ebbdee5d63894c5cebb4?s=96&d=mm&r=g\",\"url\":\"https:\\\/\\\/secure.gravatar.com\\\/avatar\\\/351b81e51993825aea73280c48061a7205fdd2189730ebbdee5d63894c5cebb4?s=96&d=mm&r=g\",\"contentUrl\":\"https:\\\/\\\/secure.gravatar.com\\\/avatar\\\/351b81e51993825aea73280c48061a7205fdd2189730ebbdee5d63894c5cebb4?s=96&d=mm&r=g\",\"caption\":\"FlagshipOne\"},\"description\":\"The world's top supplier of programmed OEM (Original Equipment Manufacturer) Powertrain Control Modules (PCM), Engine Control Modules (ECM), Injection Control Modules (IDM), Body Control Modules (BCM), Transmission Control Modules (TCM), Engine Control Units and all other car control units. With over a decade in the business, we are the most reliable source when it comes to programming services for replacement engine control modules.\",\"sameAs\":[\"https:\\\/\\\/www.fs1inc.com\\\/\",\"https:\\\/\\\/www.facebook.com\\\/flagshipone\\\/\",\"https:\\\/\\\/www.instagram.com\\\/flagship_one\\\/\",\"https:\\\/\\\/www.linkedin.com\\\/company\\\/fs1inc\"],\"url\":\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/author\\\/flagship1inc\\\/\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"1998 Mitsubishi Eclipse PCM Replacement: What Owners Should Know - Flagship One Blog","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/www.fs1inc.com\/blog\/1998-mitsubishi-eclipse-pcm-replacement-guide\/","og_locale":"en_US","og_type":"article","og_title":"1998 Mitsubishi Eclipse PCM Replacement: What Owners Should Know - Flagship One Blog","og_description":"If your 1998 Mitsubishi Eclipse won\u2019t start, stalls, or throws misfire codes, the powertrain control module may be failing. Learn symptoms, labor times, and why a pre-programmed replacement can save time and hassle.","og_url":"https:\/\/www.fs1inc.com\/blog\/1998-mitsubishi-eclipse-pcm-replacement-guide\/","og_site_name":"Flagship One Blog","article_publisher":"https:\/\/www.facebook.com\/flagshipone","article_author":"https:\/\/www.facebook.com\/flagshipone\/","article_published_time":"2026-07-17T05:54:17+00:00","og_image":[{"url":"https:\/\/www.fs1inc.com\/media\/wysiwyg\/googleshop\/chryslertcgray\/chryslertc-pcm-grayplug-1.jpg","type":"","width":"","height":""}],"author":"FlagshipOne","twitter_card":"summary_large_image","twitter_creator":"@theflagshipone","twitter_site":"@theflagshipone","twitter_misc":{"Written by":"FlagshipOne","Est. reading time":"7 minutes"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/www.fs1inc.com\/blog\/1998-mitsubishi-eclipse-pcm-replacement-guide\/#article","isPartOf":{"@id":"https:\/\/www.fs1inc.com\/blog\/1998-mitsubishi-eclipse-pcm-replacement-guide\/"},"author":{"name":"FlagshipOne","@id":"https:\/\/www.fs1inc.com\/blog\/#\/schema\/person\/a3cf463514bd03eb7656953ef8f75700"},"headline":"1998 Mitsubishi Eclipse PCM Replacement: What Owners Should Know","datePublished":"2026-07-17T05:54:17+00:00","mainEntityOfPage":{"@id":"https:\/\/www.fs1inc.com\/blog\/1998-mitsubishi-eclipse-pcm-replacement-guide\/"},"wordCount":1523,"commentCount":0,"publisher":{"@id":"https:\/\/www.fs1inc.com\/blog\/#organization"},"image":{"@id":"https:\/\/www.fs1inc.com\/blog\/1998-mitsubishi-eclipse-pcm-replacement-guide\/#primaryimage"},"thumbnailUrl":"https:\/\/www.fs1inc.com\/media\/wysiwyg\/googleshop\/chryslertcgray\/chryslertc-pcm-grayplug-1.jpg","keywords":["1998","Eclipse","Mitsubishi"],"articleSection":["Car","Mitsubishi"],"inLanguage":"en-US","potentialAction":[{"@type":"CommentAction","name":"Comment","target":["https:\/\/www.fs1inc.com\/blog\/1998-mitsubishi-eclipse-pcm-replacement-guide\/#respond"]}]},{"@type":"WebPage","@id":"https:\/\/www.fs1inc.com\/blog\/1998-mitsubishi-eclipse-pcm-replacement-guide\/","url":"https:\/\/www.fs1inc.com\/blog\/1998-mitsubishi-eclipse-pcm-replacement-guide\/","name":"1998 Mitsubishi Eclipse PCM Replacement: What Owners Should Know - Flagship One Blog","isPartOf":{"@id":"https:\/\/www.fs1inc.com\/blog\/#website"},"primaryImageOfPage":{"@id":"https:\/\/www.fs1inc.com\/blog\/1998-mitsubishi-eclipse-pcm-replacement-guide\/#primaryimage"},"image":{"@id":"https:\/\/www.fs1inc.com\/blog\/1998-mitsubishi-eclipse-pcm-replacement-guide\/#primaryimage"},"thumbnailUrl":"https:\/\/www.fs1inc.com\/media\/wysiwyg\/googleshop\/chryslertcgray\/chryslertc-pcm-grayplug-1.jpg","datePublished":"2026-07-17T05:54:17+00:00","breadcrumb":{"@id":"https:\/\/www.fs1inc.com\/blog\/1998-mitsubishi-eclipse-pcm-replacement-guide\/#breadcrumb"},"inLanguage":"en-US","potentialAction":[{"@type":"ReadAction","target":["https:\/\/www.fs1inc.com\/blog\/1998-mitsubishi-eclipse-pcm-replacement-guide\/"]}]},{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/www.fs1inc.com\/blog\/1998-mitsubishi-eclipse-pcm-replacement-guide\/#primaryimage","url":"https:\/\/www.fs1inc.com\/media\/wysiwyg\/googleshop\/chryslertcgray\/chryslertc-pcm-grayplug-1.jpg","contentUrl":"https:\/\/www.fs1inc.com\/media\/wysiwyg\/googleshop\/chryslertcgray\/chryslertc-pcm-grayplug-1.jpg"},{"@type":"BreadcrumbList","@id":"https:\/\/www.fs1inc.com\/blog\/1998-mitsubishi-eclipse-pcm-replacement-guide\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/www.fs1inc.com\/blog\/"},{"@type":"ListItem","position":2,"name":"1998 Mitsubishi Eclipse PCM Replacement: What Owners Should Know"}]},{"@type":"WebSite","@id":"https:\/\/www.fs1inc.com\/blog\/#website","url":"https:\/\/www.fs1inc.com\/blog\/","name":"Flagship One Blog","description":"Flagship One Inc. OEM Engine Computers  Control Modules","publisher":{"@id":"https:\/\/www.fs1inc.com\/blog\/#organization"},"potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/www.fs1inc.com\/blog\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"en-US"},{"@type":"Organization","@id":"https:\/\/www.fs1inc.com\/blog\/#organization","name":"Flagship One, Inc.","url":"https:\/\/www.fs1inc.com\/blog\/","logo":{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/www.fs1inc.com\/blog\/#\/schema\/logo\/image\/","url":"https:\/\/www.fs1inc.com\/blog\/wp-content\/uploads\/2019\/06\/web-lg-fs1-logo.png","contentUrl":"https:\/\/www.fs1inc.com\/blog\/wp-content\/uploads\/2019\/06\/web-lg-fs1-logo.png","width":1341,"height":1098,"caption":"Flagship One, Inc."},"image":{"@id":"https:\/\/www.fs1inc.com\/blog\/#\/schema\/logo\/image\/"},"sameAs":["https:\/\/www.facebook.com\/flagshipone","https:\/\/x.com\/theflagshipone","https:\/\/www.instagram.com\/flagship_one","https:\/\/www.youtube.com\/channel\/UC0oyKphffBM2qkJ-gKPmMXw"]},{"@type":"Person","@id":"https:\/\/www.fs1inc.com\/blog\/#\/schema\/person\/a3cf463514bd03eb7656953ef8f75700","name":"FlagshipOne","image":{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/secure.gravatar.com\/avatar\/351b81e51993825aea73280c48061a7205fdd2189730ebbdee5d63894c5cebb4?s=96&d=mm&r=g","url":"https:\/\/secure.gravatar.com\/avatar\/351b81e51993825aea73280c48061a7205fdd2189730ebbdee5d63894c5cebb4?s=96&d=mm&r=g","contentUrl":"https:\/\/secure.gravatar.com\/avatar\/351b81e51993825aea73280c48061a7205fdd2189730ebbdee5d63894c5cebb4?s=96&d=mm&r=g","caption":"FlagshipOne"},"description":"The world's top supplier of programmed OEM (Original Equipment Manufacturer) Powertrain Control Modules (PCM), Engine Control Modules (ECM), Injection Control Modules (IDM), Body Control Modules (BCM), Transmission Control Modules (TCM), Engine Control Units and all other car control units. With over a decade in the business, we are the most reliable source when it comes to programming services for replacement engine control modules.","sameAs":["https:\/\/www.fs1inc.com\/","https:\/\/www.facebook.com\/flagshipone\/","https:\/\/www.instagram.com\/flagship_one\/","https:\/\/www.linkedin.com\/company\/fs1inc"],"url":"https:\/\/www.fs1inc.com\/blog\/author\/flagship1inc\/"}]}},"_links":{"self":[{"href":"https:\/\/www.fs1inc.com\/blog\/wp-json\/wp\/v2\/posts\/528269","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.fs1inc.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.fs1inc.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.fs1inc.com\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.fs1inc.com\/blog\/wp-json\/wp\/v2\/comments?post=528269"}],"version-history":[{"count":1,"href":"https:\/\/www.fs1inc.com\/blog\/wp-json\/wp\/v2\/posts\/528269\/revisions"}],"predecessor-version":[{"id":528270,"href":"https:\/\/www.fs1inc.com\/blog\/wp-json\/wp\/v2\/posts\/528269\/revisions\/528270"}],"wp:attachment":[{"href":"https:\/\/www.fs1inc.com\/blog\/wp-json\/wp\/v2\/media?parent=528269"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.fs1inc.com\/blog\/wp-json\/wp\/v2\/categories?post=528269"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.fs1inc.com\/blog\/wp-json\/wp\/v2\/tags?post=528269"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}