Index Isuzu Isuzu Amigo / Axiom / Trooper / Rodeo / VehiCross - service repair manual 1999-2002 year
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6E2–515 RODEO 6VD1 3.2L ENGINE DRIVEABILITY AND EMISSIONS Poor Fuel Economy Symptom (Cont'd) Step No Yes Value(s) Action 10 1. Check for an incorrect or faulty engine thermostat. Refer to Engine Cooling. 2. If a problem is found, repair as necessary. Was a problem found? — Verify repair Go to Step 11 11 1. Check for low engine compression. Refer to Engine Mechanical. 2. If a problem is found, repair as necessary. Was a problem found? — Verify repair Go to Step 12 12 1. Check the TCC operation. Refer to 4L30-E Transmission Diagnosis. 2. If a problem is found, repair as necessary. Was a problem found? — Verify repair Go to Step 13 13 1. Check the exhaust system for possible restriction: D Inspect the exhaust system for damaged or D Inspect the muffler for heat distress or possible D Check for a possible plugged three-way Restricted Exhaust System Check. 2. If a problem is found, repair as necessary. Was a problem found? — Verify repair Go to Step 14 14 Check for proper calibration of the speedometer. Does the speed indicated on the speedometer closely — Go to Step 16 Go to Step 15 15 Diagnose and repair an inaccurate speedometer Vehicle Speed Sensor in Electrical Diagnosis. Was a problem found? — Verify repair — 16 1. Check the air intake system and the crankcase for air leaks. Refer to Air Intake System and Crankcase Ventilation System. 2. If a problem is found, repair as necessary. Was a problem found? — Verify repair Go to Step 17 17 1. Review all diagnostic procedures within this table. malfunctions have been found, review/inspect the D Visual/physical inspection D Tech 2 data D Freeze Frame data/Failure Records buffer D All connections within a suspected circuit 3. If a problem is found, repair as necessary. Was a problem found? — Verify repair Go to Step 18 18 Perform the procedure in Fuel System Pressure Test. Was the fuel pressure normal? — Contact Technical Assistance Verify repair |