Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
Diagnostic Aids
A misfire could be caused by excessive vibration from sources other than engine. Check following for possible cause, tire/wheel out of balance/round, uneven brake rotor or drum surface, or a rough road condition.
Running vehicle out of fuel may set this DTC or DTCs P0461 and P1431. Check for restriction in fuel filter or fuel lines. If problem is intermittent, see appropriate TROUBLE SHOOTING - NO CODES article.
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Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.