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SYMPTOM TROUBLESHOOTING [L3 WITH TC] 01-03–65 01-03 NO.20 FUEL ODOR (IN ENGINE COMPARTMENT)[L3 WITH TC] id010339802600 Diagnostic procedure End Of Sie 20 FUEL ODOR (IN ENGINE COMPARTMENT) DESCRIPTION Gasoline fuel smell or visible leakage POSSIBLE CAUSE • Excessive fuel pressure • Purge solenoid valve malfunction • Fuel system vent system blockage • Evaporative gas leakage • Improper connection of evaporative related vacuum hoses • Charcoal canister malfunction • Fuel leakage from fuel system Warning • Fuel vapor is hazardous. It can easily ignite, causing serious injury and damage. Always keep sparks and flames away from fuel. • Fuel line spills and leakage are dangerous. Fuel can ignite and cause serious injury or death and damage. Fuel can also irritate skin and eyes. To prevent this, always complete Caution • Disconnecting/connecting the quick release connector without cleaning it may possibly cause damage to the fuel pipe and quick release connector. Always clean the quick release STEP INSPECTION RESULTS ACTION 1 Visually inspect fuel leakage at fuel line. Yes Service if necessary. No Go to the next step. 2 Inspect the vacuum hose routine. Yes Go to the next step. No Reconnect the vacuum hose. 3 Perform the Evaporative Emission (EVAP) Yes Repair or replace suspected part according to the No Go to the next step. 4 Inspect the airflow of purge solenoid valve. Yes Go to the next step. No Replace the purge solenoid valve. 5 Connect the M-MDS to the DLC-2. 2 , 2175 psi} or less? Yes Inspect the charcoal canister for fuel saturation. No Inspect the fuel pressure sensor and the high pressure 5 Verify test results. • If normal, return to the diagnostic index to service any additional symptoms. • If a malfunction remains, inspect the related Service Bulletins and/or On-line Repair Information and perform the repair or diagnosis. — If the vehicle is not repaired or additional diagnostic information is not available, reprogram the PCM if a later calibration is available. Retest. 1871-1U-06B(01-03).fm 65 ページ 2006年3月15日 水曜日 午前10時36分 |