{"id":529651,"date":"2026-07-17T09:07:20","date_gmt":"2026-07-17T13:07:20","guid":{"rendered":"https:\/\/www.fs1inc.com\/blog\/?p=529651"},"modified":"2026-07-17T09:07:20","modified_gmt":"2026-07-17T13:07:20","slug":"2002-ford-truck-f-series-pcm-replacement-guide","status":"publish","type":"post","link":"https:\/\/www.fs1inc.com\/blog\/2002-ford-truck-f-series-pcm-replacement-guide\/","title":{"rendered":"2002 Ford F-Series PCM\/ECM Replacement and Common Failure Signs"},"content":{"rendered":"<div class=\"container\">\n<section class=\"hero\">\n<div class=\"code-badge\">PCM<\/div>\n<h1>2002 Ford F-Series PCM\/ECM Replacement and Common Failure Signs<\/h1>\n<p class=\"hero-subtitle\">The powertrain control module (PCM) in your 2002 Ford F-Series manages engine and transmission functions. Failures may cause no-start conditions, erratic shifting, or stored trouble codes related to internal memory or communication errors.<\/p>\n<\/section>\n<div class=\"quick-summary\">\n<h2>Quick Summary<\/h2>\n<ul>\n<li>Factory PCM removal typically takes 0.4 to 0.6 hours depending on drivetrain.<\/li>\n<li>A relearn procedure of 0.5 hours is required after replacement.<\/li>\n<li>Common symptoms include stalling, misfires, or warning lights with module-specific codes.<\/li>\n<li>The PCM is located behind the cowl side trim, requiring interior panel removal.<\/li>\n<li>Flagship One units arrive pre-programmed to your VIN, eliminating additional setup steps.<\/li>\n<\/ul>\n<\/div>\n<div class=\"info-section\">\n<p>If your 2002 Ford F-Series with the 4.2L engine is stalling, failing to start, or logging persistent trouble codes, the powertrain control module (PCM) may be the culprit. This critical component oversees fuel delivery, ignition timing, and transmission behavior. When it fails, symptoms can range from subtle drivability issues to complete immobilization. Understanding the role of the PCM, its location, and the steps involved in replacement helps you make informed decisions about repairs. With the right replacement unit, you can restore proper function without unnecessary delays or additional programming steps.<\/p>\n<\/div>\n<div class=\"info-section\">\n<h2>What the PCM Does in a 2002 Ford Truck (F-Series)<\/h2>\n<p>In your 2002 Ford F-Series, the powertrain control module (PCM) acts as the brain for both the engine and transmission. It processes data from sensors to optimize fuel injection, ignition timing, and shift points, ensuring smooth operation and emissions compliance. A failing PCM may disrupt these functions, leading to poor performance or even a no-start condition. Replacement is often the solution when internal faults develop, but the process requires careful handling to avoid triggering additional issues. <a href=\"https:\/\/www.fs1inc.com\/ford-lincoln-mercury.html\">replacement engine computers for the F-Series<\/a> are designed to match the original specifications, but proper installation and programming are essential for reliable operation.<\/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 2002 Ford F-Series is mounted behind the cowl side trim panel, which means you\u2019ll need to remove the interior panel to access it. Factory labor estimates for replacement are 0.4 hours for rear-wheel-drive models and 0.6 hours for four-wheel-drive versions. Once the panel is removed, the module can be unbolted and disconnected. Reinstallation follows the reverse process, but care must be taken to ensure all connectors are secure and the panel is properly reinstalled to prevent water intrusion or electrical issues.<\/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\/blog\/wp-content\/uploads\/2026\/07\/2002-ford-truck-f-series-ecm-location-card-1.webp\" alt=\"2002 Ford Truck (F-Series) PCM location diagram\" loading=\"lazy\"\/><figcaption style=\"font-size:13px;color:#667085;margin-top:8px\">PCM mounting location on the 2002 Ford Truck (F-Series).<\/figcaption><\/figure>\n<div style=\"background:#f7f9fc;border:1px solid #e2e8f2;border-radius:10px;padding:18px 24px;margin:18px 0\">\n<h3 style='margin-top:0'>How to Reach the PCM on the 2002 Ford Truck (F-Series)<\/h3>\n<ol style=\"margin:14px 0 6px 0;padding-left:26px\">\n<li style=\"margin:10px 0;line-height:1.65\"><b>Disconnect<\/b> the battery ground cable.<\/li>\n<li style=\"margin:10px 0;line-height:1.65\"><b>Disconnect<\/b> the powertrain control module (PCM) electrical connector.<\/li>\n<li style=\"margin:10px 0;line-height:1.65\"><b>Remove<\/b> the right front door scuff plate.<\/li>\n<li style=\"margin:10px 0;line-height:1.65\"><b>Remove<\/b> the right cowl side trim panel.<\/li>\n<li style=\"margin:10px 0;line-height:1.65\"><b>Remove<\/b> the clip and remove the PCM.<\/li>\n<\/ol>\n<p style='margin:10px 0 0 0'><em>Work with the ignition off, and treat the module as static-sensitive: avoid touching the connector pins at any point.<\/em><\/p>\n<\/div>\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\">Powertrain Control Module R&amp;R<\/td>\n<td style=\"border:1px solid #d6dbe3;padding:9px 12px\">RWD<\/td>\n<td style=\"border:1px solid #d6dbe3;padding:9px 12px\">0.4 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\">4WD<\/td>\n<td style=\"border:1px solid #d6dbe3;padding:9px 12px\">0.6 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<tr>\n<td style=\"border:1px solid #d6dbe3;padding:9px 12px\">Engine 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<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\">RWD<\/td>\n<td style=\"border:1px solid #d6dbe3;padding:9px 12px\">0.4 hr<\/td>\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\">4WD<\/td>\n<td style=\"border:1px solid #d6dbe3;padding:9px 12px\">0.6 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 2002 Ford F-Series, a relearn procedure is required to synchronize the module with the vehicle\u2019s systems. This step typically takes 0.5 hours and ensures proper communication between the PCM and other components. However, <a href=\"https:\/\/www.fs1inc.com\/2002-ford-truck-f-series-4-2l-engine-computer-pcm-ecm-ecu-programmed-updated.html\">a VIN-programmed replacement unit<\/a> arrives pre-configured to your vehicle\u2019s specifications, eliminating the need for additional programming. This saves time and reduces the risk of post-installation issues, allowing you to get back on the road faster.<\/p>\n<\/div>\n<div class=\"info-section\">\n<h2>Symptoms of a Failing PCM<\/h2>\n<p>A failing PCM in your 2002 Ford F-Series may cause a variety of symptoms, including intermittent stalling, rough idling, or a no-start condition. You might also notice erratic shifting, poor fuel economy, or warning lights on the dashboard. On a scan tool, you may see module-specific trouble codes like <a href=\"https:\/\/www.fs1inc.com\/blog\/dtc-p0603-internal-control-module-keep-alive-memory-kam-error\/\">internal control module memory error<\/a>, which often indicates a fault within the PCM itself. Other common codes include P0602, P0605, or P1635, all pointing to potential internal failures that may require replacement.<\/p>\n<\/div>\n<div class=\"info-section\">\n<h2>Module Trouble Codes on the 2002 Ford Truck (F-Series)<\/h2>\n<p>Your 2002 Ford F-Series with the 4.2L engine may log specific trouble codes when the PCM develops internal faults. These codes help diagnose the issue and determine whether replacement is necessary.<\/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\">Code<\/th>\n<th style=\"border:1px solid #d6dbe3;background:#f2f5f9;padding:9px 12px;text-align:left\">Meaning<\/th>\n<th style=\"border:1px solid #d6dbe3;background:#f2f5f9;padding:9px 12px;text-align:left\">Full Guide<\/th>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d6dbe3;padding:9px 12px\"><a href=\"https:\/\/www.fs1inc.com\/blog\/dtc-p0602-control-module-programming-error\/\" style=\"color:#0563C1;text-decoration:none;display:block;cursor:pointer\"><b>P0602<\/b><\/a><\/td>\n<td style=\"border:1px solid #d6dbe3;padding:9px 12px\"><a href=\"https:\/\/www.fs1inc.com\/blog\/dtc-p0602-control-module-programming-error\/\" style=\"color:#1a2b49;text-decoration:none;display:block;cursor:pointer\">Control module programming error<\/a><\/td>\n<td style=\"border:1px solid #d6dbe3;padding:9px 12px\"><a href=\"https:\/\/www.fs1inc.com\/blog\/dtc-p0602-control-module-programming-error\/\" style=\"color:#0563C1\"><b><u>Full P0602 guide &rarr;<\/u><\/b><\/a><\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d6dbe3;padding:9px 12px\"><a href=\"https:\/\/www.fs1inc.com\/blog\/dtc-p0603-internal-control-module-keep-alive-memory-kam-error\/\" style=\"color:#0563C1;text-decoration:none;display:block;cursor:pointer\"><b>P0603<\/b><\/a><\/td>\n<td style=\"border:1px solid #d6dbe3;padding:9px 12px\"><a href=\"https:\/\/www.fs1inc.com\/blog\/dtc-p0603-internal-control-module-keep-alive-memory-kam-error\/\" style=\"color:#1a2b49;text-decoration:none;display:block;cursor:pointer\">Keep-alive memory (KAM) error<\/a><\/td>\n<td style=\"border:1px solid #d6dbe3;padding:9px 12px\"><a href=\"https:\/\/www.fs1inc.com\/blog\/dtc-p0603-internal-control-module-keep-alive-memory-kam-error\/\" style=\"color:#0563C1\"><b><u>Full P0603 guide &rarr;<\/u><\/b><\/a><\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d6dbe3;padding:9px 12px\"><a href=\"https:\/\/www.fs1inc.com\/blog\/dtc-p0605-internal-control-module-read-only-memory-rom-error\/\" style=\"color:#0563C1;text-decoration:none;display:block;cursor:pointer\"><b>P0605<\/b><\/a><\/td>\n<td style=\"border:1px solid #d6dbe3;padding:9px 12px\"><a href=\"https:\/\/www.fs1inc.com\/blog\/dtc-p0605-internal-control-module-read-only-memory-rom-error\/\" style=\"color:#1a2b49;text-decoration:none;display:block;cursor:pointer\">Internal ROM error<\/a><\/td>\n<td style=\"border:1px solid #d6dbe3;padding:9px 12px\"><a href=\"https:\/\/www.fs1inc.com\/blog\/dtc-p0605-internal-control-module-read-only-memory-rom-error\/\" style=\"color:#0563C1\"><b><u>Full P0605 guide &rarr;<\/u><\/b><\/a><\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d6dbe3;padding:9px 12px\"><a href=\"https:\/\/www.fs1inc.com\/blog\/dtc-p0606-control-module-processor\/\" style=\"color:#0563C1;text-decoration:none;display:block;cursor:pointer\"><b>P0606<\/b><\/a><\/td>\n<td style=\"border:1px solid #d6dbe3;padding:9px 12px\"><a href=\"https:\/\/www.fs1inc.com\/blog\/dtc-p0606-control-module-processor\/\" style=\"color:#1a2b49;text-decoration:none;display:block;cursor:pointer\">Module processor failure<\/a><\/td>\n<td style=\"border:1px solid #d6dbe3;padding:9px 12px\"><a href=\"https:\/\/www.fs1inc.com\/blog\/dtc-p0606-control-module-processor\/\" style=\"color:#0563C1\"><b><u>Full P0606 guide &rarr;<\/u><\/b><\/a><\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d6dbe3;padding:9px 12px\"><a href=\"https:\/\/www.fs1inc.com\/blog\/dtc-p0645-ac-clutch-relay-control-circuit\/\" style=\"color:#0563C1;text-decoration:none;display:block;cursor:pointer\"><b>P0645<\/b><\/a><\/td>\n<td style=\"border:1px solid #d6dbe3;padding:9px 12px\"><a href=\"https:\/\/www.fs1inc.com\/blog\/dtc-p0645-ac-clutch-relay-control-circuit\/\" style=\"color:#1a2b49;text-decoration:none;display:block;cursor:pointer\">Module-internal fault<\/a><\/td>\n<td style=\"border:1px solid #d6dbe3;padding:9px 12px\"><a href=\"https:\/\/www.fs1inc.com\/blog\/dtc-p0645-ac-clutch-relay-control-circuit\/\" style=\"color:#0563C1\"><b><u>Full P0645 guide &rarr;<\/u><\/b><\/a><\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d6dbe3;padding:9px 12px\"><b>P1605<\/b><\/td>\n<td style=\"border:1px solid #d6dbe3;padding:9px 12px\">Module-internal fault<\/td>\n<td style=\"border:1px solid #d6dbe3;padding:9px 12px\">&mdash;<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d6dbe3;padding:9px 12px\"><b>P1633<\/b><\/td>\n<td style=\"border:1px solid #d6dbe3;padding:9px 12px\">Module-internal fault<\/td>\n<td style=\"border:1px solid #d6dbe3;padding:9px 12px\">&mdash;<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d6dbe3;padding:9px 12px\"><b>P1635<\/b><\/td>\n<td style=\"border:1px solid #d6dbe3;padding:9px 12px\">Module-internal fault<\/td>\n<td style=\"border:1px solid #d6dbe3;padding:9px 12px\">&mdash;<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d6dbe3;padding:9px 12px\"><b>P1636<\/b><\/td>\n<td style=\"border:1px solid #d6dbe3;padding:9px 12px\">Module-internal fault<\/td>\n<td style=\"border:1px solid #d6dbe3;padding:9px 12px\">&mdash;<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d6dbe3;padding:9px 12px\"><b>P1639<\/b><\/td>\n<td style=\"border:1px solid #d6dbe3;padding:9px 12px\">Module-internal fault<\/td>\n<td style=\"border:1px solid #d6dbe3;padding:9px 12px\">&mdash;<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d6dbe3;padding:9px 12px\"><b>P1640<\/b><\/td>\n<td style=\"border:1px solid #d6dbe3;padding:9px 12px\">Module-internal fault<\/td>\n<td style=\"border:1px solid #d6dbe3;padding:9px 12px\">&mdash;<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d6dbe3;padding:9px 12px\"><b>P1641<\/b><\/td>\n<td style=\"border:1px solid #d6dbe3;padding:9px 12px\">Module-internal fault<\/td>\n<td style=\"border:1px solid #d6dbe3;padding:9px 12px\">&mdash;<\/td>\n<\/tr>\n<\/table>\n<\/div>\n<div class=\"info-section\">\n<h2>Factory Service Bulletins Worth Knowing<\/h2>\n<p>Ford service bulletin #02-23-04 addresses issues that may arise after PCM or instrument cluster replacement in your 2002 F-Series. The bulletin notes that the 4&#215;4 lamp may illuminate incorrectly, and diagnostic trouble codes P1635 or P1639 may appear. Additionally, the speedometer may function inaccurately or fail to operate. These symptoms are linked to the module\u2019s communication with the vehicle\u2019s systems and may require a relearn procedure or software update to resolve.<\/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\">Bulletin<\/th>\n<th style=\"border:1px solid #d6dbe3;background:#f2f5f9;padding:9px 12px;text-align:left\">Subject<\/th>\n<th style=\"border:1px solid #d6dbe3;background:#f2f5f9;padding:9px 12px;text-align:left\">What It Addresses<\/th>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d6dbe3;padding:9px 12px\"><b>02-23-04<\/b><\/td>\n<td style=\"border:1px solid #d6dbe3;padding:9px 12px\">4X4 LAMP ILLUMINATED AFTER POWERTRAIN CONTROL MODULE (PCM) OR INSTRUMENT CLUSTER REPLACEMENT &#8211; <\/td>\n<td style=\"border:1px solid #d6dbe3;padding:9px 12px\">&mdash;<\/td>\n<\/tr>\n<\/table>\n<\/div>\n<div class=\"info-section\">\n<h2>Protecting the PCM in Your 2002 Ford Truck (F-Series)<\/h2>\n<ul style=\"margin:14px 0 6px 0;padding-left:26px\">\n<li style=\"margin:10px 0;line-height:1.65\">Maintain a healthy charging system to prevent voltage spikes that can damage the PCM.<\/li>\n<li style=\"margin:10px 0;line-height:1.65\">Ensure all electrical connectors are clean, dry, and securely fastened to avoid corrosion or poor contact.<\/li>\n<li style=\"margin:10px 0;line-height:1.65\">Avoid jump-starting with improper voltage, as this can cause irreversible damage to the module.<\/li>\n<li style=\"margin:10px 0;line-height:1.65\">Address any stored trouble codes promptly to prevent cascading electrical issues.<\/li>\n<li style=\"margin:10px 0;line-height:1.65\">Keep the PCM connector seals intact to prevent moisture intrusion, which can lead to corrosion.<\/li>\n<li style=\"margin:10px 0;line-height:1.65\">Use dielectric grease on connectors during reinstallation to protect against future corrosion.<\/li>\n<\/ul>\n<\/div>\n<div class=\"info-section\">\n<h2>Frequently Asked Questions<\/h2>\n<h3>Why does my 2002 Ford F-Series stall after replacing the PCM?<\/h3>\n<p>Stalling after PCM replacement often occurs if the module isn\u2019t properly synchronized with the vehicle\u2019s systems. A relearn procedure is required to establish communication between the PCM and other components. If the relearn isn\u2019t performed, the engine may run erratically or stall due to incorrect fuel or ignition timing.<\/p>\n<h3>Can I drive my 2002 Ford F-Series with a P0603 code?<\/h3>\n<p>While the vehicle may still run with a P0603 code, it\u2019s not advisable to ignore it. This code indicates an internal memory error in the PCM, which can lead to unpredictable behavior, including stalling or poor performance. Addressing the issue promptly can prevent further complications.<\/p>\n<h3>How do I know if my 2002 Ford F-Series PCM needs replacement?<\/h3>\n<p>Common signs include persistent module-specific trouble codes, no-start conditions, or drivability issues like stalling or misfires. If the PCM fails to communicate with a scan tool or logs multiple internal faults, replacement is often the most reliable solution.<\/p>\n<\/div>\n<div class=\"info-section\">\n<p>When the PCM in your 2002 Ford F-Series fails, you have options. A repair may address minor issues, but replacement is often the most effective solution for internal faults. A VIN-programmed replacement unit ensures compatibility and eliminates the need for additional programming, saving time and reducing the risk of post-installation problems. Consider your vehicle\u2019s age and condition when deciding between refurbished or new modules.<\/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\/fordcomputer\/ford-pcm-singleplug-1.jpg\" alt=\"Refurbished VIN-programmed PCM for the 2002 Ford Truck (F-Series)\" loading=\"lazy\"\/><figcaption style=\"font-size:13px;color:#667085;margin-top:8px\">A refurbished, VIN-programmed replacement PCM for the 2002 Ford Truck (F-Series) from Flagship One.<\/figcaption><\/figure>\n<p>Flagship One stocks a <a href=\"https:\/\/www.fs1inc.com\/2002-ford-truck-f-series-4-2l-engine-computer-pcm-ecm-ecu-programmed-updated.html\"><b>refurbished, VIN-programmed PCM for the 2002 Ford Truck (F-Series)<\/b><\/a> with a lifetime warranty, free shipping and no core charge. The full <a href=\"https:\/\/www.fs1inc.com\/ford-lincoln-mercury.html\">Ford Truck (F-Series) 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 2002 Ford F-Series relies on its PCM to manage critical engine and transmission functions. If you\u2019re experiencing stalling, warning lights, or module-specific trouble codes, replacement may be necessary. With proper installation and a VIN-programmed unit, you can restore reliable performance and avoid unnecessary downtime. Addressing PCM issues promptly helps maintain your vehicle\u2019s drivability and longevity.<\/p>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>2002 Ford F-Series with 4.2L engine may stall, misfire, or log PCM codes like P0603. Learn symptoms, labor times, and why a VIN-programmed replacement unit saves time.<\/p>\n","protected":false},"author":1,"featured_media":521956,"comment_status":"open","ping_status":"closed","sticky":false,"template":"elementor_header_footer","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[258,39],"tags":[48,28,1306],"class_list":["post-529651","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-car","category-ford","tag-48","tag-ford","tag-truck-f-series"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.0 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>2002 Ford F-Series PCM\/ECM Replacement and Common Failure Signs - 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\/2002-ford-truck-f-series-pcm-replacement-guide\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"2002 Ford F-Series PCM\/ECM Replacement and Common Failure Signs - Flagship One Blog\" \/>\n<meta property=\"og:description\" content=\"2002 Ford F-Series with 4.2L engine may stall, misfire, or log PCM codes like P0603. 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