{"id":517429,"date":"2025-12-10T03:50:35","date_gmt":"2025-12-10T08:50:35","guid":{"rendered":"https:\/\/www.fs1inc.com\/blog\/dtc-p0278-cylinder-6-contributionbalance\/"},"modified":"2025-12-10T03:50:35","modified_gmt":"2025-12-10T08:50:35","slug":"dtc-p0278-cylinder-6-contributionbalance","status":"publish","type":"post","link":"https:\/\/www.fs1inc.com\/blog\/dtc-p0278-cylinder-6-contributionbalance\/","title":{"rendered":"P0278 Code Symptoms, Causes, Diagnosis, and Repair Costs Guide"},"content":{"rendered":"<div class=\"container\">\n<section class=\"hero\">\n<div class=\"code-badge\">P0278<\/div>\n<h1>P0278 Code Symptoms, Causes, Diagnosis, and Repair Costs Guide<\/h1>\n<p class=\"hero-subtitle\">\n<\/section>\n<div class=\"quick-summary\">\n<h2>Quick Summary<\/h2>\n<ul>\n<li>P0278 indicates a Cylinder 6 Contribution\/Balance fault. <\/li>\n<li>Typical signs: cylinder 6 misfire, rough idle, loss of power, higher fuel use, and a check\u2011engine light. <\/li>\n<li>Primary causes are ECM\/PCM communication errors, internal module failures, or wiring\u2011related data loss. <\/li>\n<li>Diagnosis starts with a scan tool, followed by wiring checks and module\u2011level tests; repair may cost $200\u2011$400, replacement $600\u2011$900 plus labor. <\/li>\n<li>Flagship One provides VIN\u2011matched replacement modules and programming to restore proper cylinder balance.<\/li>\n<\/ul>\n<\/div>\n<h3>P0278 Code: Symptoms, Causes, and How to Fix It<\/h3>\n<p>Drivers who encounter a P0278 code usually notice a combination of performance and illumination cues that point directly to cylinder 6. The check\u2011engine light comes on, often flashing at first, then staying solid. While cruising, the engine may stumble or hesitate when you demand acceleration, and the idle can feel uneven or shake noticeably. Fuel consumption may rise by 5\u201110 % because the power deficit forces the control module to enrich the mixture. These symptoms appear early enough to be caught on a routine scan, but they can progress to more severe power loss if left unresolved.<\/p>\n<h2>Symptoms<\/h2>\n<ul>\n<li><strong>Check\u2011engine light<\/strong> (steady or flashing) with P0278 stored. <\/li>\n<li><strong>Cylinder 6 misfire<\/strong> detected by the ECM, often audible as a \u201cpopping\u201d during acceleration. <\/li>\n<li><strong>Rough or uneven idle<\/strong>, especially when the engine is warm. <\/li>\n<li><strong>Loss of power<\/strong> during throttle\u2011on events; acceleration feels sluggish. <\/li>\n<li><strong>Increased fuel consumption<\/strong> and occasional \u201cengine limp\u201d mode activation.<\/li>\n<\/ul>\n<h2>Why Cylinder 6 Problems Occur<\/h2>\n<h3>Faulty ECM\/PCM Data Processing<\/h3>\n<p>The ECM monitors each cylinder\u2019s contribution through crankshaft position, camshaft timing, and injector pulse width data. If the module\u2019s processor misinterprets the signals for cylinder 6, it flags a contribution imbalance. Corrosion on the module\u2019s internal circuitry, water intrusion, or solder joint fatigue can produce this error without any external component failure.<\/p>\n<h3>Communication Breakdown Between Sensors and the ECM<\/h3>\n<p>Cylinder\u2011balance calculations rely on accurate inputs from the knock sensor, oxygen sensors, and camshaft position sensor. A high\u2011impedance fault in the wiring harness\u2014such as a cracked connector pin or a short to ground\u2014can corrupt the data stream for cylinder 6 alone. The ECM then perceives a power deficit and records P0278.<\/p>\n<h3>Internal Module Component Failure<\/h3>\n<p>Power\u2011stage drivers that control the fuel injector for cylinder 6 are integrated into the ECM. A failing driver transistor or a damaged MOSFET can prevent the injector from opening for the correct duration, causing a measurable loss of contribution. This failure is internal to the control module and cannot be corrected by replacing the injector or spark plug alone.<\/p>\n<h3>Software Calibration Issues<\/h3>\n<p>Occasionally, a software version mismatch after a previous flash can leave the cylinder\u2011balance algorithm out of sync with the vehicle\u2019s hardware. The ECM may incorrectly calculate cylinder 6\u2019s contribution, especially after a major engine control update that was not properly applied.<\/p>\n<h2>Diagnostic and Repair Procedures<\/h2>\n<ol>\n<li><strong>Retrieve and Clear Codes<\/strong>\n<\/li>\n<\/ol>\n<p> Connect a professional OBD\u2011II scanner, read all stored and pending codes, and note any related codes (e.g., P0306, P0016). Clear the codes and perform a drive cycle to confirm whether P0278 returns.<\/p>\n<ol>\n<li><strong>Live Data Inspection<\/strong>\n<\/li>\n<\/ol>\n<p> Observe injector pulse width, fuel trim, and cylinder contribution values for cylinder 6. A consistent deviation of &gt;10 % from the average of the other cylinders confirms the imbalance.<\/p>\n<ol>\n<li><strong>Wiring and Connector Test<\/strong>\n<\/li>\n<\/ol>\n<p> Visually inspect the harness leading to the ECM for corrosion, frayed wires, or loose pins. Perform a resistance check on the cylinder 6 injector circuit; values outside the manufacturer\u2019s 0\u201150 \u03a9 range suggest a wiring fault.<\/p>\n<ol>\n<li><strong>Sensor Verification<\/strong>\n<\/li>\n<\/ol>\n<p> Test the camshaft and crankshaft position sensors with a multimeter or oscilloscope. Verify signal frequency and voltage during engine operation. Replace any sensor that shows intermittent output before proceeding to module testing.<\/p>\n<ol>\n<li><strong>ECM\/PCM Communication Test<\/strong>\n<\/li>\n<\/ol>\n<p> Use a bench\u2011level diagnostic tool to communicate directly with the ECM\u2019s processor. A \u201cno\u2011response\u201d or \u201cchecksum error\u201d on the cylinder\u2011balance command set indicates internal module corruption.<\/p>\n<ol>\n<li><strong>Module Repair vs. Replacement Decision<\/strong>\n<\/li>\n<\/ol>\n<p> &#8211; <strong>Repair<\/strong>: If the failure is limited to a solder joint or moisture intrusion, a qualified electronics repair shop may re\u2011ball the board for $200\u2011$400. This is a temporary fix and may not survive future thermal cycles. <\/p>\n<p> &#8211; <strong>Replacement<\/strong>: When the driver circuit for cylinder 6 is damaged, or the module fails the communication test, replacement is the reliable solution. Replacement units typically cost $600\u2011$900, with labor $200\u2011$300.<\/p>\n<ol>\n<li><strong>Programming the New Module<\/strong>\n<\/li>\n<\/ol>\n<p> After installing a replacement ECM\/PCM, the unit must be programmed to the vehicle\u2019s VIN and calibrated for the specific engine configuration. Factory\u2011level re\u2011flash equipment or a dealer\u2011grade flash tool is required; professional shops charge $150\u2011$250 for this service.<\/p>\n<h2>When Replacement Makes More Sense Than Repair<\/h2>\n<div class=\"flagship-logo-section\">\n<a href=\"https:\/\/www.fs1inc.com\/\" rel=\"noopener noreferrer\" target=\"_blank\"><br \/>\n<img decoding=\"async\" alt=\"Flagship One\" class=\"flagship-logo\" src=\"https:\/\/www.fs1inc.com\/blog\/wp-content\/uploads\/2025\/12\/fs1inc_logo2-scaled.jpg\"\/><br \/>\n<\/a>\n<\/div>\n<p>Modern control modules are complex and integrated with security, immobilizer, and emission\u2011control systems. Choosing a replacement isn\u2019t just about swapping hardware\u2014it\u2019s about ensuring the new unit is correctly programmed and fully compatible with the vehicle\u2019s network. Flagship One specializes in VIN\u2011matched control modules, providing a plug\u2011and\u2011drive solution backed by a warranty. Their modules are pre\u2011programmed to the exact specifications of each vehicle, eliminating the need for extensive on\u2011site coding and reducing the risk of re\u2011occurring faults.<\/p>\n<h2>Preventive Maintenance<\/h2>\n<ul>\n<li><strong>Regular Wiring Inspections<\/strong>: During scheduled service, have a technician check the ECM harness for signs of wear, corrosion, or chafing, especially in the engine bay where heat and moisture are prevalent. <\/li>\n<li><strong>Keep the ECM Dry<\/strong>: Ensure that any aftermarket accessories (e.g., roof racks, lighting kits) are sealed properly to prevent water ingress into the module\u2019s enclosure. <\/li>\n<li><strong>Software Updates<\/strong>: Follow manufacturer service bulletins for ECM re\u2011flash releases. Applying the latest calibration can resolve hidden balance algorithm issues before they manifest as P0278. <\/li>\n<li><strong>Coolant and Engine Temperature Management<\/strong>: Overheating can accelerate solder joint fatigue inside the ECM. Maintain the cooling system per the vehicle\u2019s service schedule to protect the module\u2019s internal components.<\/li>\n<\/ul>\n<div class=\"info-section\">\n<p><strong>Service Recommendation:<\/strong> Most issues related to this fault are diagnosed and corrected through inspection, wiring repair, and calibration rather than module replacement. For modules not typically replaced through aftermarket suppliers, diagnosis and repair should be performed by a certified automotive technician with access to factory service information and tooling.<\/p>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>Power loss and misfire on your vehicle? Cylinder 6\u2019s contribution is off, risking engine damage. Scan the P0278 code, test the ECM and replace the module.<\/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":[4],"tags":[],"class_list":["post-517429","post","type-post","status-publish","format-standard","hentry","category-auto-news"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.0 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>P0278 Code Symptoms, Causes, Diagnosis, and Repair Costs 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\/dtc-p0278-cylinder-6-contributionbalance\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"P0278 Code Symptoms, Causes, Diagnosis, and Repair Costs Guide - Flagship One Blog\" \/>\n<meta property=\"og:description\" content=\"Power loss and misfire on your vehicle? Cylinder 6\u2019s contribution is off, risking engine damage. Scan the P0278 code, test the ECM and replace the module.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.fs1inc.com\/blog\/dtc-p0278-cylinder-6-contributionbalance\/\" \/>\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=\"2025-12-10T08:50:35+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.fs1inc.com\/blog\/wp-content\/uploads\/2025\/12\/fs1inc_logo2-scaled.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=\"5 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/dtc-p0278-cylinder-6-contributionbalance\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/dtc-p0278-cylinder-6-contributionbalance\\\/\"},\"author\":{\"name\":\"FlagshipOne\",\"@id\":\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/#\\\/schema\\\/person\\\/a3cf463514bd03eb7656953ef8f75700\"},\"headline\":\"P0278 Code Symptoms, Causes, Diagnosis, and Repair Costs Guide\",\"datePublished\":\"2025-12-10T08:50:35+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/dtc-p0278-cylinder-6-contributionbalance\\\/\"},\"wordCount\":1037,\"commentCount\":0,\"publisher\":{\"@id\":\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/#organization\"},\"image\":{\"@id\":\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/dtc-p0278-cylinder-6-contributionbalance\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/wp-content\\\/uploads\\\/2025\\\/12\\\/fs1inc_logo2-scaled.jpg\",\"articleSection\":[\"Auto News\"],\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/dtc-p0278-cylinder-6-contributionbalance\\\/#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/dtc-p0278-cylinder-6-contributionbalance\\\/\",\"url\":\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/dtc-p0278-cylinder-6-contributionbalance\\\/\",\"name\":\"P0278 Code Symptoms, Causes, Diagnosis, and Repair Costs Guide - Flagship One Blog\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/dtc-p0278-cylinder-6-contributionbalance\\\/#primaryimage\"},\"image\":{\"@id\":\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/dtc-p0278-cylinder-6-contributionbalance\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/wp-content\\\/uploads\\\/2025\\\/12\\\/fs1inc_logo2-scaled.jpg\",\"datePublished\":\"2025-12-10T08:50:35+00:00\",\"breadcrumb\":{\"@id\":\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/dtc-p0278-cylinder-6-contributionbalance\\\/#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/dtc-p0278-cylinder-6-contributionbalance\\\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/dtc-p0278-cylinder-6-contributionbalance\\\/#primaryimage\",\"url\":\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/wp-content\\\/uploads\\\/2025\\\/12\\\/fs1inc_logo2-scaled.jpg\",\"contentUrl\":\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/wp-content\\\/uploads\\\/2025\\\/12\\\/fs1inc_logo2-scaled.jpg\",\"width\":2560,\"height\":617},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/dtc-p0278-cylinder-6-contributionbalance\\\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"P0278 Code Symptoms, Causes, Diagnosis, and Repair Costs Guide\"}]},{\"@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":"P0278 Code Symptoms, Causes, Diagnosis, and Repair Costs Guide - 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\/dtc-p0278-cylinder-6-contributionbalance\/","og_locale":"en_US","og_type":"article","og_title":"P0278 Code Symptoms, Causes, Diagnosis, and Repair Costs Guide - Flagship One Blog","og_description":"Power loss and misfire on your vehicle? Cylinder 6\u2019s contribution is off, risking engine damage. Scan the P0278 code, test the ECM and replace the module.","og_url":"https:\/\/www.fs1inc.com\/blog\/dtc-p0278-cylinder-6-contributionbalance\/","og_site_name":"Flagship One Blog","article_publisher":"https:\/\/www.facebook.com\/flagshipone","article_author":"https:\/\/www.facebook.com\/flagshipone\/","article_published_time":"2025-12-10T08:50:35+00:00","og_image":[{"url":"https:\/\/www.fs1inc.com\/blog\/wp-content\/uploads\/2025\/12\/fs1inc_logo2-scaled.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":"5 minutes"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/www.fs1inc.com\/blog\/dtc-p0278-cylinder-6-contributionbalance\/#article","isPartOf":{"@id":"https:\/\/www.fs1inc.com\/blog\/dtc-p0278-cylinder-6-contributionbalance\/"},"author":{"name":"FlagshipOne","@id":"https:\/\/www.fs1inc.com\/blog\/#\/schema\/person\/a3cf463514bd03eb7656953ef8f75700"},"headline":"P0278 Code Symptoms, Causes, Diagnosis, and Repair Costs Guide","datePublished":"2025-12-10T08:50:35+00:00","mainEntityOfPage":{"@id":"https:\/\/www.fs1inc.com\/blog\/dtc-p0278-cylinder-6-contributionbalance\/"},"wordCount":1037,"commentCount":0,"publisher":{"@id":"https:\/\/www.fs1inc.com\/blog\/#organization"},"image":{"@id":"https:\/\/www.fs1inc.com\/blog\/dtc-p0278-cylinder-6-contributionbalance\/#primaryimage"},"thumbnailUrl":"https:\/\/www.fs1inc.com\/blog\/wp-content\/uploads\/2025\/12\/fs1inc_logo2-scaled.jpg","articleSection":["Auto News"],"inLanguage":"en-US","potentialAction":[{"@type":"CommentAction","name":"Comment","target":["https:\/\/www.fs1inc.com\/blog\/dtc-p0278-cylinder-6-contributionbalance\/#respond"]}]},{"@type":"WebPage","@id":"https:\/\/www.fs1inc.com\/blog\/dtc-p0278-cylinder-6-contributionbalance\/","url":"https:\/\/www.fs1inc.com\/blog\/dtc-p0278-cylinder-6-contributionbalance\/","name":"P0278 Code Symptoms, Causes, Diagnosis, and Repair Costs Guide - Flagship One Blog","isPartOf":{"@id":"https:\/\/www.fs1inc.com\/blog\/#website"},"primaryImageOfPage":{"@id":"https:\/\/www.fs1inc.com\/blog\/dtc-p0278-cylinder-6-contributionbalance\/#primaryimage"},"image":{"@id":"https:\/\/www.fs1inc.com\/blog\/dtc-p0278-cylinder-6-contributionbalance\/#primaryimage"},"thumbnailUrl":"https:\/\/www.fs1inc.com\/blog\/wp-content\/uploads\/2025\/12\/fs1inc_logo2-scaled.jpg","datePublished":"2025-12-10T08:50:35+00:00","breadcrumb":{"@id":"https:\/\/www.fs1inc.com\/blog\/dtc-p0278-cylinder-6-contributionbalance\/#breadcrumb"},"inLanguage":"en-US","potentialAction":[{"@type":"ReadAction","target":["https:\/\/www.fs1inc.com\/blog\/dtc-p0278-cylinder-6-contributionbalance\/"]}]},{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/www.fs1inc.com\/blog\/dtc-p0278-cylinder-6-contributionbalance\/#primaryimage","url":"https:\/\/www.fs1inc.com\/blog\/wp-content\/uploads\/2025\/12\/fs1inc_logo2-scaled.jpg","contentUrl":"https:\/\/www.fs1inc.com\/blog\/wp-content\/uploads\/2025\/12\/fs1inc_logo2-scaled.jpg","width":2560,"height":617},{"@type":"BreadcrumbList","@id":"https:\/\/www.fs1inc.com\/blog\/dtc-p0278-cylinder-6-contributionbalance\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/www.fs1inc.com\/blog\/"},{"@type":"ListItem","position":2,"name":"P0278 Code Symptoms, Causes, Diagnosis, and Repair Costs Guide"}]},{"@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\/517429","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=517429"}],"version-history":[{"count":0,"href":"https:\/\/www.fs1inc.com\/blog\/wp-json\/wp\/v2\/posts\/517429\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.fs1inc.com\/blog\/wp-json\/wp\/v2\/media?parent=517429"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.fs1inc.com\/blog\/wp-json\/wp\/v2\/categories?post=517429"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.fs1inc.com\/blog\/wp-json\/wp\/v2\/tags?post=517429"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}