Sep 5, 2024 · The P0308 code means that cylinder 8 is misfiring or is randomly misfiring. Start by checking for intake leaks and if no leaks are found the next step is to replace the spark plugs …

Jul 14, 2025 · In this helpful guide, you'll learn what the P0308 engine code means, how to diagnose it, and how to repair it.

Oct 6, 2025 · Diagnostic fault code P0308 signifies one or more occurrences of a misfire event isolated to an engine’s #8 cylinder. Simply put, the affected engine’s #8 cylinder has failed to …

Feb 10, 2022 · Check engine light code P0308 indicates that cylinder number 8 is experiencing misfires. Find out how to fix it in this article!

The P0308 code is a diagnostic trouble code that signals an issue with cylinder 8 in your engine. Specifically, it indicates that the engine control module (ECM) has detected a misfire occurring …

In this case it's cylinder #8. A code P0308 may mean that one or more of the following has happened: If there are no symptoms, the simplest thing to do is to reset the code and see if it …

When the code P0308 is set in the Powertrain Computer, it means that the Misfire Monitor has detected more than a 2 percent variance in RPM between the firing of any two (or more) …

Aug 12, 2024 · The P0308 code indicates that the powertrain control module (PCM) has detected a misfire on cylinder #8. What are the repercussions of this trouble code, and what can you do …

P0308 means the engine control module has detected a misfire in cylinder 8. Drivers usually notice rough idle, loss of power, hesitation on acceleration, and a check‑engine light. Misfire …

Sep 22, 2025 · Learn about the P0308 code (Cylinder 8 Misfire Detected), including causes, symptoms, diagnosis, and repair steps to fix cylinder 8 misfire issues in your vehicle.