Hard to Start

Symptom: Engine cranks OK, but does not start for a long time.

POSSIBLE CAUSE ACTION


EVAP Canister purge malfunction ^ Check Fuel Evaporative system.
Evaporative Emissions System


Incorrect Air-Fuel mixture ^ Check fuel pressure.
^ Check O2 sensor.

^ Perform injector balance test (SFI only).


EGR malfunction ^ Check EGR system.
Exhaust Gas Recirculation


Air filter restricted ^ Clean or replace.


Poor or contaminated fuel ^ Recommend higher grade fuel