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SYMPTOM TROUBLESHOOTING [L3 WITH TC] 01-03–41 01-03 End Of Sie NO.11 ENGINE STALLS/QUITS, ENGINE RUNS ROUGH, MISSES, BUCK/JERK, HESITATION/STUMBLE, id010339801700 13 Inspect the fuel pressure sensor. Yes Go to Step 15. No Replace the delivery pipe. 14 Replace the high pressure fuel pump Yes Troubleshooting is completed. No Go to the next step. 15 Connect the fuel pressure gauge between the Yes Go to the next step. No Inspect for the following: • Fuel line restriction • Fuel filter clogging If normal replace the fuel pump. 16 Inspect the fuel injector for each cylinder. Yes Go to the next step. No Replace the suspected fuel injector. 17 Measure the compression pressure for each Yes Replace the injector driver module. No Inspect for the following: • Damaged valve seat • Worn valve stem and valve guide • Worn or stuck piston ring • Worn piston, piston ring or cylinder • Improper valve timing Service if necessary. 18 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 repaired, troubleshooting is completed. — If the vehicle is not repaired or additional diagnostic information is not available, reprogram the PCM if a later calibration is available. Retest. STEP INSPECTION RESULTS ACTION 11 ENGINE STALLS/QUITS (ACCELERATION/CRUISE) DESCRIPTION • Engine stops unexpectedly at beginning of acceleration or during cruise. • Engine stops unexpectedly while cruising. • Engine speed fluctuates during acceleration or cruising. • Engine misses during acceleration or cruising. • Vehicle bucks/jerks during acceleration, during or deceleration. • Momentary pause at beginning of acceleration or during acceleration • Momentary minor irregularity in engine output 1871-1U-06B(01-03).fm 41 ページ 2006年3月15日 水曜日 午前10時36分 |