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.
Tune Up Notes
Due to late changes and corrections, always refer to Engine Tune-Up Decal in engine compartment before attempting tune-up. If decal specifications are different than specifications given in this manual, use decal specifications.
Adjustment of injectors or internal adjustment of injection pump must be done in a properly equipped injector shop with clean environment.
Prior to checking compression, be sure battery is fully charged to avoid battery run down. When turning engine over during test, 6 "puffs" per cylinder should be used to obtain reading.
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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.