{"id":527693,"date":"2026-07-16T22:29:15","date_gmt":"2026-07-17T02:29:15","guid":{"rendered":"https:\/\/www.fs1inc.com\/blog\/?p=527693"},"modified":"2026-07-16T22:29:15","modified_gmt":"2026-07-17T02:29:15","slug":"2004-mazda-rx-8-pcm-replacement-guide","status":"publish","type":"post","link":"https:\/\/www.fs1inc.com\/blog\/2004-mazda-rx-8-pcm-replacement-guide\/","title":{"rendered":"2004 Mazda RX-8 Engine and Powertrain Control Module Repair Guide"},"content":{"rendered":"<div class=\"container\">\n<section class=\"hero\">\n<div class=\"code-badge\">PCM<\/div>\n<h1>2004 Mazda RX-8 Engine and Powertrain Control Module Repair Guide<\/h1>\n<p class=\"hero-subtitle\">In the 2004 Mazda RX-8, the powertrain control module (PCM) and engine control module (ECM) manage fuel delivery, ignition timing, and emission controls. A failure typically interrupts communication with sensors, triggers diagnostic trouble codes, and can prevent the engine from starting or running smoothly.<\/p>\n<\/section>\n<div class=\"quick-summary\">\n<h2>Quick Summary<\/h2>\n<ul>\n<li>PCM\/ECM replacement may require 0.5\u20110.6\u202fhours of labor depending on immobilizer presence.<\/li>\n<li>Relearn procedures also take about half an hour after installation.<\/li>\n<li>Factory bulletins call for a PCM reflash to address specific no\u2011start conditions.<\/li>\n<li>Flagship One units arrive VIN\u2011programmed, eliminating post\u2011install coding.<\/li>\n<\/ul>\n<\/div>\n<div class=\"info-section\">\n<p>When a 2004 Mazda RX-8 experiences intermittent power loss, no\u2011start conditions, or persistent trouble codes, the engine and powertrain control modules are often the source. This guide explains what these modules do, how they are accessed, and what steps are needed after replacement. You will learn the typical labor times, the required reflash or relearn procedures, and practical tips to keep the modules operating reliably.<\/p>\n<\/div>\n<div class=\"info-section\">\n<h2>What the PCM Does in a 2004 Mazda RX-8<\/h2>\n<p>The PCM and ECM in a 2004 Mazda RX-8 serve as the vehicle\u2019s central computers, interpreting sensor data to regulate fuel injection, spark timing, and emission functions. They also coordinate transmission control and diagnostic reporting. Proper operation is essential for engine start, idle stability, and overall performance. <a href=\"https:\/\/www.fs1inc.com\/mazda\/rx-8-engine-computers.html\">replacement engine computers for the 2004 Mazda RX-8<\/a> ensures that the vehicle runs within factory specifications and avoids error\u2011code cascades.<\/p>\n<\/div>\n<div class=\"info-section\">\n<h2>Where the PCM Is Located and What Replacement Involves<\/h2>\n<p>Both modules are mounted in the engine compartment, typically secured with bolts that a technician can access without removing major components. Replacing the PCM without an immobilize system generally requires about 0.5\u202fhours of labor, while the version with an immobilize system may take roughly 0.6\u202fhours. The same time frames apply to the ECM. After the unit is secured, a relearn step of 0.5\u202fhours is needed to synchronize the new computer with the vehicle\u2019s control networks.<\/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\/2004-mazda-rx-8-pcm-location-diagram.webp\" alt=\"2004 Mazda RX-8 PCM location diagram\" loading=\"lazy\"\/><figcaption style=\"font-size:13px;color:#667085;margin-top:8px\">PCM mounting location on the 2004 Mazda RX-8.<\/figcaption><\/figure>\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\">Without Immobilize System<\/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\">Powertrain Control Module R&amp;R<\/td>\n<td style=\"border:1px solid #d6dbe3;padding:9px 12px\">With Immobilize System<\/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 R&amp;R<\/td>\n<td style=\"border:1px solid #d6dbe3;padding:9px 12px\">Without Immobilize System<\/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\">With Immobilize System<\/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\">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<\/table>\n<\/div>\n<div class=\"info-section\">\n<h2>Programming Requirements After Replacement<\/h2>\n<p>After installing a new PCM or ECM, the factory procedure calls for a specific reflash or relearn sequence to align the module with the vehicle\u2019s VIN and calibration data. Flagship One provides <a href=\"https:\/\/www.fs1inc.com\/2004-mazda-rx-8-1-3l-pcm-engine-computer-ecm-ecu-programmed-updated.html\">a VIN-programmed replacement unit<\/a> that arrives already matched to your car, so those programming steps are completed before the part reaches your shop.<\/p>\n<\/div>\n<div class=\"info-section\">\n<h2>Symptoms of a Failing PCM<\/h2>\n<p>Typical signs of a failing PCM or ECM in a 2004 Mazda RX-8 include a complete no\u2011start condition, reduced power output, and intermittent stalling. Diagnostic trouble codes such as <a href=\"https:\/\/www.fs1inc.com\/blog\/dtc-p0601-internal-control-module-memory-checksum-error\/\">processor communication error<\/a> often appear, and you may lose scan\u2011tool connectivity or notice erratic transmission shifts. These symptoms usually point to internal module faults rather than external wiring issues.<\/p>\n<\/div>\n<div class=\"info-section\">\n<h2>Module Trouble Codes on the 2004 Mazda RX-8<\/h2>\n<p>The following diagnostic trouble codes are commonly recorded by the PCM and ECM in this vehicle:<\/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-p0601-internal-control-module-memory-checksum-error\/\" style=\"color:#0563C1;text-decoration:none;display:block;cursor:pointer\"><b>P0601<\/b><\/a><\/td>\n<td style=\"border:1px solid #d6dbe3;padding:9px 12px\"><a href=\"https:\/\/www.fs1inc.com\/blog\/dtc-p0601-internal-control-module-memory-checksum-error\/\" style=\"color:#1a2b49;text-decoration:none;display:block;cursor:pointer\">Internal memory checksum error<\/a><\/td>\n<td style=\"border:1px solid #d6dbe3;padding:9px 12px\"><a href=\"https:\/\/www.fs1inc.com\/blog\/dtc-p0601-internal-control-module-memory-checksum-error\/\" style=\"color:#0563C1\"><b><u>Full P0601 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-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-p0604-internal-control-module-random-access-memory-ram-error\/\" style=\"color:#0563C1;text-decoration:none;display:block;cursor:pointer\"><b>P0604<\/b><\/a><\/td>\n<td style=\"border:1px solid #d6dbe3;padding:9px 12px\"><a href=\"https:\/\/www.fs1inc.com\/blog\/dtc-p0604-internal-control-module-random-access-memory-ram-error\/\" style=\"color:#1a2b49;text-decoration:none;display:block;cursor:pointer\">Internal RAM error<\/a><\/td>\n<td style=\"border:1px solid #d6dbe3;padding:9px 12px\"><a href=\"https:\/\/www.fs1inc.com\/blog\/dtc-p0604-internal-control-module-random-access-memory-ram-error\/\" style=\"color:#0563C1\"><b><u>Full P0604 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-p0610-control-module-vehicle-options-error\/\" style=\"color:#0563C1;text-decoration:none;display:block;cursor:pointer\"><b>P0610<\/b><\/a><\/td>\n<td style=\"border:1px solid #d6dbe3;padding:9px 12px\"><a href=\"https:\/\/www.fs1inc.com\/blog\/dtc-p0610-control-module-vehicle-options-error\/\" 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-p0610-control-module-vehicle-options-error\/\" style=\"color:#0563C1\"><b><u>Full P0610 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-p0638-throttle-actuator-control-rangeperformance-bank-1\/\" style=\"color:#0563C1;text-decoration:none;display:block;cursor:pointer\"><b>P0638<\/b><\/a><\/td>\n<td style=\"border:1px solid #d6dbe3;padding:9px 12px\"><a href=\"https:\/\/www.fs1inc.com\/blog\/dtc-p0638-throttle-actuator-control-rangeperformance-bank-1\/\" 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-p0638-throttle-actuator-control-rangeperformance-bank-1\/\" style=\"color:#0563C1\"><b><u>Full P0638 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-p0661-intake-manifold-tuning-valve-control-circuit-low-bank-1\/\" style=\"color:#0563C1;text-decoration:none;display:block;cursor:pointer\"><b>P0661<\/b><\/a><\/td>\n<td style=\"border:1px solid #d6dbe3;padding:9px 12px\"><a href=\"https:\/\/www.fs1inc.com\/blog\/dtc-p0661-intake-manifold-tuning-valve-control-circuit-low-bank-1\/\" 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-p0661-intake-manifold-tuning-valve-control-circuit-low-bank-1\/\" style=\"color:#0563C1\"><b><u>Full P0661 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-p0662-intake-manifold-tuning-valve-control-circuit-high-bank-1\/\" style=\"color:#0563C1;text-decoration:none;display:block;cursor:pointer\"><b>P0662<\/b><\/a><\/td>\n<td style=\"border:1px solid #d6dbe3;padding:9px 12px\"><a href=\"https:\/\/www.fs1inc.com\/blog\/dtc-p0662-intake-manifold-tuning-valve-control-circuit-high-bank-1\/\" 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-p0662-intake-manifold-tuning-valve-control-circuit-high-bank-1\/\" style=\"color:#0563C1\"><b><u>Full P0662 guide &rarr;<\/u><\/b><\/a><\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d6dbe3;padding:9px 12px\"><b>P1686<\/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>P1687<\/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>P1688<\/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\"><a href=\"https:\/\/www.fs1inc.com\/blog\/dtc-p2502-charging-system-voltage\/\" style=\"color:#0563C1;text-decoration:none;display:block;cursor:pointer\"><b>P2502<\/b><\/a><\/td>\n<td style=\"border:1px solid #d6dbe3;padding:9px 12px\"><a href=\"https:\/\/www.fs1inc.com\/blog\/dtc-p2502-charging-system-voltage\/\" 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-p2502-charging-system-voltage\/\" style=\"color:#0563C1\"><b><u>Full P2502 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-p2503-charging-system-voltage-low\/\" style=\"color:#0563C1;text-decoration:none;display:block;cursor:pointer\"><b>P2503<\/b><\/a><\/td>\n<td style=\"border:1px solid #d6dbe3;padding:9px 12px\"><a href=\"https:\/\/www.fs1inc.com\/blog\/dtc-p2503-charging-system-voltage-low\/\" 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-p2503-charging-system-voltage-low\/\" style=\"color:#0563C1\"><b><u>Full P2503 guide &rarr;<\/u><\/b><\/a><\/td>\n<\/tr>\n<\/table>\n<\/div>\n<div class=\"info-section\">\n<h2>Factory Service Bulletins Worth Knowing<\/h2>\n<p>Service bulletin Msp04 (2004 RX\u20118 Engine No Start, Lack Of Power, DTCs P2107, P2108, P2402 Or P0420) and the related 01 008\/05 Mazda Special Program both prescribe a PCM reflash to correct the no\u2011start and power\u2011loss condition.<\/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\">&mdash;<\/td>\n<td style=\"border:1px solid #d6dbe3;padding:9px 12px\">Msp04 2004 Rx 8 Engine No Start, Lack Of Power, DTCs P2107, P2108, P2402 Or P0420 Powertrain Co<\/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\">&mdash;<\/td>\n<td style=\"border:1px solid #d6dbe3;padding:9px 12px\">01 008\/05 Mazda Special Program (Msp04) 2004 Rx 8 Engine No Start, Lack Of Power, DTCs P2107, P<\/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 2004 Mazda RX-8<\/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 avoid voltage fluctuations.<\/li>\n<li style=\"margin:10px 0;line-height:1.65\">Inspect and clean ground straps and connector pins regularly.<\/li>\n<li style=\"margin:10px 0;line-height:1.65\">Avoid jump\u2011starts that can introduce voltage spikes to the control modules.<\/li>\n<li style=\"margin:10px 0;line-height:1.65\">Address any diagnostic codes promptly before they compound.<\/li>\n<li style=\"margin:10px 0;line-height:1.65\">Ensure connector seals remain intact to keep moisture out.<\/li>\n<\/ul>\n<\/div>\n<div class=\"info-section\">\n<h2>Frequently Asked Questions<\/h2>\n<h3>Can a faulty PCM cause the 2004 Mazda RX-8 to stall while driving?<\/h3>\n<p>Yes, the PCM controls fuel and spark timing, so an internal fault can lead to intermittent stalling, especially under load.<\/p>\n<h3>Do I need special tools to relearn the ECM on a 2004 Mazda RX-8?<\/h3>\n<p>The relearn process uses standard factory procedures and typically takes about half an hour; a scan tool that supports Mazda protocols is required.<\/p>\n<h3>Is the immobilize system relevant when replacing the PCM on my RX\u20118?<\/h3>\n<p>When the immobilize system is present, labor time increases slightly, reflecting the extra steps needed to disable and re\u2011enable the anti\u2011theft function.<\/p>\n<\/div>\n<div class=\"info-section\">\n<p>When the PCM or ECM fails, you can choose a new factory\u2011spec unit or a refurbished replacement that meets the same performance standards. Both options restore the vehicle\u2019s control logic, but a refurbished part may offer a cost advantage while still delivering reliable operation for your 2004 Mazda RX-8.<\/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\/mazdamzd50\/mazda-pcm-mzd50-1.jpg\" alt=\"Refurbished VIN-programmed PCM for the 2004 Mazda RX-8\" loading=\"lazy\"\/><figcaption style=\"font-size:13px;color:#667085;margin-top:8px\">A refurbished, VIN-programmed replacement PCM for the 2004 Mazda RX-8 from Flagship One.<\/figcaption><\/figure>\n<p>Flagship One stocks a <a href=\"https:\/\/www.fs1inc.com\/2004-mazda-rx-8-1-3l-pcm-engine-computer-ecm-ecu-programmed-updated.html\"><b>refurbished, VIN-programmed PCM for the 2004 Mazda RX-8<\/b><\/a> with a lifetime warranty, free shipping and no core charge. The full <a href=\"https:\/\/www.fs1inc.com\/mazda\/rx-8-engine-computers.html\">Mazda RX-8 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 powertrain and engine control modules are critical to the 2004 Mazda RX-8\u2019s performance. Replacing a faulty unit with a properly programmed part restores functionality and helps you avoid recurring issues. Consider your repair path carefully to keep the car running smoothly.<\/p>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>If your 2004 Mazda RX-8 shows no\u2011start, power loss, or related codes, be aware of PCM\/ECM issues, follow proper reflash steps, and restore reliable performance.<\/p>\n","protected":false},"author":1,"featured_media":520566,"comment_status":"open","ping_status":"closed","sticky":false,"template":"elementor_header_footer","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[258,409],"tags":[50,74,1365],"class_list":["post-527693","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-car","category-mazda","tag-50","tag-mazda","tag-rx-8"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.0 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>2004 Mazda RX-8 Engine and Powertrain Control Module Repair Guide - 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\/2004-mazda-rx-8-pcm-replacement-guide\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"2004 Mazda RX-8 Engine and Powertrain Control Module Repair Guide - 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