Idle faults
Malfunction | Cause/Remedy |
Unstable rpm | Check and adjust idle speed with warm engine |
Difficult movement of the gas pedal | adjust |
Loose fuel line between pressure pump and fuel filter | Fasten clamps |
Poor fuel supply | Dirty fuel filter. Contaminated, kinked or pinched at the junction of the injection and fuel return pipelines |
Faulty injectors | Check Faulty injector insulators |
Fuel supply timing adjusted | adjust |
Discharge pump defective | Replace |
Engine mechanical problems | Check, measure compression |
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