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Home >> Pontiac >> 1990 >> Firebird V8-350 5.7L >> Repair and Diagnosis >> Powertrain Management >> Computers and Control Systems >> Testing and Inspection >> Symptom Related Diagnostic Procedures >> - Diagnosis By Symptom >> Engine Cranks, But Will Not Run

Engine Cranks, But Will Not Run


Definition: Engine cranks OK, but does not start. May fire a few times.
POSSIBLE CAUSE ACTION

No fuel in tank ^ Put fuel in fuel tank

Water contaminated fuel ^ Drain fuel tank and add clean fuel, see MAINTENANCE PROCEDURES/FUEL TANK DRAINING.

Low fuel pressure ^ Check fuel pressure
Proceed to DIAGNOSTIC CHARTS/ENGINE CRANKS BUT WON'T RUN (CHART A-3).

Pinched or collapsed fuel hose/line ^ Repair/replace as required

Inoperative fuel pump ^ Verify fuse/fuse link integrity
^ Check fuel pump relay
^ Proceed to DIAGNOSTIC CHARTS/ENGINE CRANKS BUT WON'T RUN (CHART A-3).