Safety Warning

Fire RiskCritical

Do not drive. Disconnect battery if safe to do so.

Based on owner reports. Always prioritize safety and consult a qualified mechanic.

Back to P0300 Overview

How to Diagnose P0300

9 owner reports2 diagnostic steps~30-60 min estimated time

DIY Diagnostic Checklist

Based on 9 owner reports

Progress0%

Tools Needed

Smoke Machine
Step 1check: engine light come on
Step 2check: engine light (p0300 / random misfire)

Root Causesfor P0300

Based on 9 owner reports

What Didn't Help

Repairs that owners tried but didn't fix the issue

1000% sureable to find the name of the correct partmiss while idlingsure how much that’s affectingto fire the parts cannon at it so any help is appreciated

Things to Check

Suggested areas to investigate based on similar cases

engine light come onengine light (p0300 / random misfire)it with a obd readerobvious (imo)

P0300

Random/Multiple Cylinder Misfire Detected

criticalView full code details →

Required Tools

  • Smoke Machine