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. Refer to MAINTENANCE PROCEDURES/FUEL TANK DRAINING.
Low fuel pressure ^ Check fuel pressure.
Refer to DIAGNOSTIC CHARTS/ENGINE CRANKS BUT WILL NOT 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.
^ Refer to DIAGNOSTIC CHARTS/ENGINE CRANKS BUT WILL NOT RUN (CHART A-3).
Vapor lock ^ Check fuel line routing
(away from heated, exhaust areas).
^ Check fuel grade.
^ Check (fuel module) Refer to DIAGNOSTIC CHARTS/ENGINE CRANKS BUT WILL NOT RUN (CHART A-3).