Hard to Start

Definition: Engine cranks OK, but does not start for a long time. Does eventually run, or start but immediately dies.

POSSIBLE CAUSE ACTION

Throttle Position Sensor (TPS) ^ Check for binding or high TPS voltage with the throttle closed (should read between 0.29 Volts and 0.98 Volts).


Fuel pump relay ^ Refer to DIAGNOSTIC CHARTS/A CHARTS.


Fuel Pressure ^ Refer to DIAGNOSTIC CHARTS/FUEL SYSTEM DIAGNOSIS (CHART A-7).


Contaminated Fuel ^ Check fuel filters, perform ALCOHOL IN FUEL TEST.


Fuel injectors ^ Check fuel injector fuses.
^ Refer to DIAGNOSTIC CHARTS/FUEL SYSTEM DIAGNOSIS (CHART A-7)