Diagnostic procedure

FUEL ODOR (IN ENGINE COMPARTMENT) DIAGNOSTIC PROCEDURE

STEP	INSPECTION		ACTION
1	Visually inspect for fuel leakage at fuel injector O-ring, and fuel line. Service as necessary. Is fuel line pressure held after ignition key is turned to OFF?	Yes	Go to next step.
1		No	Inspect pressure regulator diaphragm condition. If condition is okay, inspect fuel injector. If condition is not okay, replace pressure regulator.
2	Inspect for blockage/restriction or open between engine vacuum port and charcoal canister. Inspect for blockage in fuel tank vent system. Is fault indicated?	Yes	Replace vacuum hose.
2		No	Go to next step.
3	Inspect purge solenoid valve. (See PURGE SOLENOID VALVE INSPECTION .) Is solenoid operating properly?	Yes	Go to next step.
3		No	Replace purge solenoid valve.
4	Connect WDS or equivalent to DLC-2. Turn ignition key to ON (Engine OFF). Retrieve any DTCs. Is "PASSED" displayed?	Yes	No DTC is displayed: Inspect charcoal canister for fuel saturation. If excess amount of liquid fuel present, replace charcoal canister.
4		No	DTC is displayed: Go to appropriate DTC test.
5	Verify test results: If okay, return to diagnostic index to service any additional symptoms. If malfunction remains, inspect related Service Bulletins and/or On-line Repair Information and perform repair or diagnosis. If vehicle is repaired, troubleshooting completed. If vehicle is not repaired or additional diagnostic information is not available, replace or reprogram PCM.