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.
Engine Controls - Tests W/Codes - 8.0L: Introduction: Notes
If no faults were found while performing steps in CHRYSLER CORP. - BASIC DIAGNOSTIC PROCEDURES - 8.0L , proceed with self-diagnostics. If no trouble codes or only pass codes are present after entering self-diagnostics, see TEST NTC-1A in this article and CHRYSLER CORP. TROUBLE SHOOTING - NO CODES - GASOLINE article (below) for diagnosis by symptom (i.e., ROUGH IDLE, NO START, etc.).
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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.