{"id":527982,"date":"2026-07-16T22:41:01","date_gmt":"2026-07-17T02:41:01","guid":{"rendered":"https:\/\/www.fs1inc.com\/blog\/?p=527982"},"modified":"2026-07-16T22:41:01","modified_gmt":"2026-07-17T02:41:01","slug":"2007-mazda-cx-7-pcm-replacement-guide","status":"publish","type":"post","link":"https:\/\/www.fs1inc.com\/blog\/2007-mazda-cx-7-pcm-replacement-guide\/","title":{"rendered":"2007 Mazda CX-7 2.3L PCM and ECM Replacement Guide"},"content":{"rendered":"<div class=\"container\">\n<section class=\"hero\">\n<div class=\"code-badge\">PCM<\/div>\n<h1>2007 Mazda CX-7 2.3L PCM and ECM Replacement Guide<\/h1>\n<p class=\"hero-subtitle\">The Powertrain Control Module (PCM) in your 2007 Mazda CX-7 2.3L manages engine and transmission functions. The Engine Control Module (ECM) is a subset that primarily controls engine operation. Failure of either module can cause drivability issues, no-start conditions, and communication faults.<\/p>\n<\/section>\n<div class=\"quick-summary\">\n<h2>Quick Summary<\/h2>\n<ul>\n<li>The 2007 Mazda CX-7 2.3L uses both an ECM and a PCM; the PCM may include immobilizer functions.<\/li>\n<li>Replacing the ECM requires 0.9 hours of labor; PCM replacement ranges from 0.4 to 0.5 hours depending on immobilizer presence.<\/li>\n<li>After module replacement, a relearn procedure (0.5 hours) is required to synchronize the module with the vehicle.<\/li>\n<li>Factory service bulletins address proper TCM reprogramming and module replacement information for the CX-7.<\/li>\n<li>Common trouble codes include P0601, P0603, P0604, U0100, U0121, and U0140, indicating internal faults or communication loss.<\/li>\n<\/ul>\n<\/div>\n<div class=\"info-section\">\n<p>If your 2007 Mazda CX-7 2.3L is experiencing erratic shifting, stalling, or a no-start condition, the engine or powertrain control module may be at fault. These modules are the brain of your vehicle&#8217;s engine and transmission management. This guide explains what the ECM and PCM do in your CX-7, where they are located, how replacement is performed, and what programming steps are needed. You will also learn about common failure symptoms, relevant trouble codes, and factory service bulletins that apply to your vehicle. Understanding these components helps you make an informed decision about repair or replacement.<\/p>\n<\/div>\n<div class=\"info-section\">\n<h2>What the PCM Does in a 2007 Mazda CX-7<\/h2>\n<p>In the 2007 Mazda CX-7 2.3L, the Engine Control Module (ECM) and Powertrain Control Module (PCM) work together to manage engine performance, fuel delivery, ignition timing, and transmission operation. The ECM focuses on engine-specific tasks, while the PCM integrates engine and transmission control into a single unit. This vehicle may have separate modules or a combined unit depending on the configuration. The PCM also handles immobilizer functions if equipped, which adds a layer of security. When these modules fail, they can disrupt communication with sensors and actuators, leading to poor drivability or a non-running condition. For reliable operation, you need a properly functioning module. If you are considering a replacement, look for <a href=\"https:\/\/www.fs1inc.com\/mazda\/cx-7-engine-computers.html\">replacement engine computers for the CX-7<\/a> that are pre-programmed to match your vehicle&#8217;s VIN and specifications.<\/p>\n<\/div>\n<div class=\"info-section\">\n<h2>Where the PCM Is Located and What Replacement Involves<\/h2>\n<p>The ECM and PCM in the 2007 Mazda CX-7 2.3L are typically mounted in the engine bay or under the dashboard. According to factory labor times, replacing the ECM takes 0.9 hours, while PCM replacement requires 0.4 hours without an immobilizer system or 0.5 hours with one. The procedure involves disconnecting the battery, accessing the module, removing electrical connectors and mounting bolts, then installing the new unit. After installation, the module must be programmed or relearned to communicate with the vehicle&#8217;s systems. The labor times reflect the physical R&amp;R only; additional time is needed for programming.<\/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\/2007-mazda-cx-7-pcm-location-diagram.webp\" alt=\"2007 Mazda CX-7 PCM location diagram\" loading=\"lazy\"\/><figcaption style=\"font-size:13px;color:#667085;margin-top:8px\">PCM mounting location on the 2007 Mazda CX-7.<\/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 2007 Mazda CX-7<\/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 negative battery cable.<\/li>\n<li style=\"margin:10px 0;line-height:1.65\"><b>Remove<\/b> the charge air cooler duct.<\/li>\n<li style=\"margin:10px 0;line-height:1.65\"><b>Remove<\/b> the Battery and battery tray.<\/li>\n<li style=\"margin:10px 0;line-height:1.65\"><b>Remove<\/b> the mudguard (LH).<\/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\">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\">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\">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\">0.4 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\">With 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 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 ECM or PCM in your 2007 Mazda CX-7 2.3L, the factory procedure requires a relearn process that takes 0.5 hours. This step synchronizes the module with the immobilizer system, throttle position, and other adaptive values. Mazda also issued a service bulletin (05 012\/06) for proper TCM reprogramming. To simplify this, Flagship One provides <a href=\"https:\/\/www.fs1inc.com\/2007-mazda-cx-7-2-3l-engine-computer-pcm-ecm-ecu-programmed-updated.html\">a VIN-programmed replacement unit<\/a> that arrives ready to install, with all programming already completed so you can skip the relearn step and get back on the road faster.<\/p>\n<\/div>\n<div class=\"info-section\">\n<h2>Symptoms of a Failing PCM<\/h2>\n<p>When the ECM or PCM begins to fail in your 2007 Mazda CX-7 2.3L, you may notice symptoms such as intermittent stalling, hard starting, misfire codes, or a no-start condition. The check engine light may illuminate with codes like <a href=\"https:\/\/www.fs1inc.com\/blog\/dtc-p0601-internal-control-module-memory-checksum-error\/\">internal control module memory error<\/a> indicating a checksum fault. Other common issues include loss of communication with the transmission control module (U0100), loss of communication with the ABS module (U0121), or loss of communication with the body control module (U0140). These faults can cause erratic shifting, reduced power, or a dead scan-tool connection. Addressing these symptoms promptly can prevent further drivability problems.<\/p>\n<\/div>\n<div class=\"info-section\">\n<h2>Module Trouble Codes on the 2007 Mazda CX-7<\/h2>\n<p>The following trouble codes are documented for the 2007 Mazda CX-7 2.3L and relate to internal module faults or communication failures. These codes may appear when the ECM or PCM is malfunctioning.<\/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-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-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-u0100-lost-communication-ecmpcm\/\" style=\"color:#0563C1;text-decoration:none;display:block;cursor:pointer\"><b>U0100<\/b><\/a><\/td>\n<td style=\"border:1px solid #d6dbe3;padding:9px 12px\"><a href=\"https:\/\/www.fs1inc.com\/blog\/dtc-u0100-lost-communication-ecmpcm\/\" 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-u0100-lost-communication-ecmpcm\/\" style=\"color:#0563C1\"><b><u>Full U0100 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-u0121-lost-communication-anti-lock-brake-system-abs-control-module\/\" style=\"color:#0563C1;text-decoration:none;display:block;cursor:pointer\"><b>U0121<\/b><\/a><\/td>\n<td style=\"border:1px solid #d6dbe3;padding:9px 12px\"><a href=\"https:\/\/www.fs1inc.com\/blog\/dtc-u0121-lost-communication-anti-lock-brake-system-abs-control-module\/\" 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-u0121-lost-communication-anti-lock-brake-system-abs-control-module\/\" style=\"color:#0563C1\"><b><u>Full U0121 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-u0140-lost-communication-body-control-module\/\" style=\"color:#0563C1;text-decoration:none;display:block;cursor:pointer\"><b>U0140<\/b><\/a><\/td>\n<td style=\"border:1px solid #d6dbe3;padding:9px 12px\"><a href=\"https:\/\/www.fs1inc.com\/blog\/dtc-u0140-lost-communication-body-control-module\/\" 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-u0140-lost-communication-body-control-module\/\" style=\"color:#0563C1\"><b><u>Full U0140 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>Mazda has issued service bulletins relevant to the 2007 CX-7 2.3L. Bulletin 05 012\/06 provides instructions for proper TCM reprogramming. Another bulletin, titled &#8216;Module Replacement\/Reprogramming Information,&#8217; includes a chart that indicates which modules are present on the CX-7 and whether they are programmable or configurable. This information is useful when replacing or reprogramming the ECM or PCM. Note that a separate bulletin (07 002\/09) addresses air conditioning musty\/mildew odor and is not related to module 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\">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\">Mazda Tips: Proper TCM Reprogramming For S\/B 05 012\/06<\/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\">Mazda Tips: Module Replacement\/Reprogramming Information<\/td>\n<td style=\"border:1px solid #d6dbe3;padding:9px 12px\">s SEE CHART BELOW INDICATING WHICH MODULES ARE PRESENT ON THE CX-7 AND IF THEY ARE PROGRAMMABLE AND OR<\/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\">07 002\/09 Multi Model Air Conditioning Musty \/ Mildew Odor<\/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 2007 Mazda CX-7<\/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; voltage spikes from a failing alternator can damage the ECM or PCM.<\/li>\n<li style=\"margin:10px 0;line-height:1.65\">Keep battery and ground connections clean and tight to ensure stable voltage to the modules.<\/li>\n<li style=\"margin:10px 0;line-height:1.65\">Avoid jump-starting the vehicle with reversed polarity or using a fast charger directly on the battery.<\/li>\n<li style=\"margin:10px 0;line-height:1.65\">Address diagnostic trouble codes promptly to prevent secondary damage to the control modules.<\/li>\n<li style=\"margin:10px 0;line-height:1.65\">Inspect connector seals and wiring harnesses for corrosion or damage, especially in the engine bay.<\/li>\n<li style=\"margin:10px 0;line-height:1.65\">Use only factory-specification fuses and relays to protect the module from electrical overload.<\/li>\n<\/ul>\n<\/div>\n<div class=\"info-section\">\n<h2>Frequently Asked Questions<\/h2>\n<h3>How do I know if the ECM or PCM in my 2007 Mazda CX-7 2.3L needs replacement?<\/h3>\n<p>Common signs include a no-start condition, stalling, misfire codes, or communication loss with other modules. Diagnostic trouble codes such as P0601, P0603, or U0100 often point to internal module failure. A professional scan tool can confirm the issue.<\/p>\n<h3>Can I replace the PCM in my 2007 Mazda CX-7 2.3L myself?<\/h3>\n<p>Replacement is possible if you have mechanical experience, but the labor time is 0.4 to 0.5 hours for the PCM. The main challenge is the required relearn procedure (0.5 hours) which may need a dealer-level scan tool. Using a pre-programmed unit from Flagship One eliminates that step.<\/p>\n<h3>What is the difference between the ECM and PCM on a 2007 Mazda CX-7 2.3L?<\/h3>\n<p>The ECM (Engine Control Module) manages engine functions like fuel and ignition. The PCM (Powertrain Control Module) integrates engine and transmission control. In some configurations, the CX-7 may have a combined PCM that also handles immobilizer duties. The labor times differ: ECM R&amp;R is 0.9 hours, PCM R&amp;R is 0.4\u20130.5 hours.<\/p>\n<\/div>\n<div class=\"info-section\">\n<p>When your 2007 Mazda CX-7 2.3L needs a new ECM or PCM, you have options: repair the existing module or replace it with a refurbished unit. Repair may be cost-effective for minor issues, but replacement with a pre-programmed module ensures reliability. Flagship One offers VIN-programmed units that match your vehicle&#8217;s specifications, saving you the time and cost of dealer programming.<\/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\/mazdacx7\/mazda-pcm-cx7-1.jpg\" alt=\"Refurbished VIN-programmed PCM for the 2007 Mazda CX-7\" loading=\"lazy\"\/><figcaption style=\"font-size:13px;color:#667085;margin-top:8px\">A refurbished, VIN-programmed replacement PCM for the 2007 Mazda CX-7 from Flagship One.<\/figcaption><\/figure>\n<p>Flagship One stocks a <a href=\"https:\/\/www.fs1inc.com\/2007-mazda-cx-7-2-3l-engine-computer-pcm-ecm-ecu-programmed-updated.html\"><b>refurbished, VIN-programmed PCM for the 2007 Mazda CX-7<\/b><\/a> with a lifetime warranty, free shipping and no core charge. The full <a href=\"https:\/\/www.fs1inc.com\/mazda\/cx-7-engine-computers.html\">Mazda CX-7 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 ECM and PCM are critical to the performance of your 2007 Mazda CX-7 2.3L. Recognizing failure symptoms early and using a pre-programmed replacement can restore drivability quickly. Flagship One provides ready-to-install modules that eliminate the need for post-install programming, getting you back on the road with confidence.<\/p>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>Learn about PCM and ECM failure symptoms, replacement labor times, and programming for your 2007 Mazda CX-7 2.3L. Includes trouble codes and factory service bulletins.<\/p>\n","protected":false},"author":1,"featured_media":520584,"comment_status":"open","ping_status":"closed","sticky":false,"template":"elementor_header_footer","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[258,409],"tags":[286,1377,74],"class_list":["post-527982","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-car","category-mazda","tag-286","tag-cx-7","tag-mazda"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.0 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>2007 Mazda CX-7 2.3L PCM and ECM Replacement 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\/2007-mazda-cx-7-pcm-replacement-guide\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"2007 Mazda CX-7 2.3L PCM and ECM Replacement Guide - Flagship One Blog\" \/>\n<meta property=\"og:description\" content=\"Learn about PCM and ECM failure symptoms, replacement labor times, and programming for your 2007 Mazda CX-7 2.3L. 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