Jan 10, 2025 · A P0300 code indicates a random misfire in one or more engine cylinders, which can cause rough idling, loss of power, and engine hesitation. Common causes of P0300 …

Oct 30, 2025 · What does the P0300 code mean? The code P0300 indicates there are repetitive misfires on one or more cylinders in your car. You will often find this code together with …

Aug 18, 2024 · The P0300 code means that a cylinder (s) is misfiring or is randomly misfiring. Start by checking for intake leaks, intake gaskets are a common cause of multi-cylinder misfiring.

Feb 3, 2021 · In this article, I’ll walk you through what a P0300 code means, the most common causes, and how to determine if the issue lies with your spark plugs, fuel system, or …

Aug 11, 2023 · If you have only P0300 present, the fault will be in some system that is affecting all cylinders or it is a false misfire code. False misfire codes can be triggered by worn-out …

Nov 22, 2018 · This guide explains the P0300 code’s meaning, symptoms, causes, and step-by-step diagnostics to fix it like a pro—potentially saving you $1,000-$3,000. What Is a P0300 Code?

What does the P0300 – Random/Multiple Cylinder Misfire Detected mean? The P0300 code is a generic OBD-II diagnostic trouble code. It signifies that your vehicle’s engine control module …

Oct 6, 2025 · OBD-II Trouble Code P0300 Description. Random or Multiple Cylinder Misfire Detected. Code P0300 means that one or more engine cylinders are misfiring. An engine …

Discover the common causes of the P0300 diagnostic trouble code and learn how to troubleshoot a random misfire in your engine with AutoZone.

Apr 14, 2025 · When your check engine light starts flashing, it’s never a good sign but when it’s accompanied by rough idling, poor acceleration, and that unmistakable feeling that your …