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.

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 …

A P0300 diagnostic code indicates a random or multiple misfire. If the last digit is a number other than zero, it corresponds to the cylinder number that is misfiring.

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 …

Jun 19, 2025 · Learn what the P0300 engine code means, how to diagnose random misfires, and what it might cost to fix. Don’t ignore that Check Engine light; read now.

The following guide examines the common causes and symptoms of DTC P0300 and provides clear, step-by-step diagnostic and repair solutions. Learn more.

When the code P0300 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) …

Nov 22, 2018 · What’s the difference between P0300 and P0301? P0300 means random misfires across multiple cylinders, while P0301 indicates consistent misfires in cylinder 1 only. P0300 …

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

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 …