Index Isuzu Isuzu Amigo / Axiom / Trooper / Rodeo / VehiCross - service repair manual 1999-2002 year
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6E–522 6VE1 3.5L ENGINE DRIVEABILITY AND EMISSIONS Excessive Exhaust Emissions or Odors Symptom
Step Action Value(s) Yes No 1 DEFINITION: Was the “On-Board Diagnostic (OBD) System Check” — Go to Step 2 Go to OBD System Check 2 1. Perform a bulletin search. correct the condition as instructed in the bulletin. Was a bulletin found that addresses the symptom? — Go to Step 13 Go to Step 3 3 Was a thorough visual/physical check performed? — Go to Step 4 Go to Visual/ Physical Check 4 1. Check for vacuum leaks. Check vacuum lines, intake manifold, throttle body, etc. 2. If a problem is found, repair as necessary. Were any vacuum leaks located? — Go to Step 13 Go to Step 5 5 1. Check the fuel cap for proper installation. Was the fuel cap installed properly? — Go to Step 6 Go to Step 13 6 1. Check the fuel pressure. Perform the procedure in Fuel System Pressure Test. 2. If a problem is found, repair as necessary. Was a problem found? — Go to Step 13 Go to Step 7 7 1. Check for a faulty, plugged, or incorrectly installed crankcase ventilation valve; also check the 2. If a problem is found, repair as necessary. Was a problem found? — Go to Step 13 Go to Step 8 8 1. Check the injector connections. cylinder, correct as necessary. Was a problem found? — Go to Step 13 Go to Step 9 9 1. Perform the “Injector Coil/Balance Test” in Fuel Metering System. 2. If a problem is found, repair as necessary. Was a problem found? — Go to Step 13 Go to Step 10 10 1. Refer to Engine Cooling for cooling system diagnosis. 2. If a problem is found, repair as necessary. Was a problem found? — Go to Step 13 Go to Step 11 11 1. Check EVAP canister for fuel loading. Refer to Evaporative Emission Control System. 2. If a problem is found, repair as necessary. Was a problem found? — Go to Step 13 Go to Step 12 |