Index Isuzu Isuzu Amigo / Axiom / Trooper / Rodeo / VehiCross - service repair manual 1999-2002 year
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6E2–183 RODEO 6VD1 3.2L ENGINE DRIVEABILITY AND EMISSIONS compensate for some decrease. However, if fuel Fuel System Diagnosis. D Lean injector(s) – Perform “Injector Balance Test”. D Vacuum leaks – Check for disconnected or damaged D Exhaust leaks – An exhaust leak may cause outside air D MAF sensor – The system can go lean if the MAF D Fuel contamination – Water, even in small amounts, alcohol in the fuel can also cause this condition. Refer Fuel System Diagnosis for procedure to check for fuel contamination. D If none of the above conditions are present, replace the Test Description Number(s) below refer to the step number(s) on the condition described in the “Diagnostic Aids” above. Reviewing the Failure Records vehicle mileage since the DTC P0137 –HO2S Circuit Low Voltage Bank 1 Sensor 2
Step Action Value(s) Yes No 1 Was the “On-Board Diagnostic (OBD) System Check” — Go to Step 2 Go to OBD System Check 2 1. Install the Tech 2. under “Conditions for Setting the DTC” criteria 4. Using a Tech 2, monitor Bank 1 HO2S 2 voltage. Does the Bank 1 HO2S voltage remain below the 22 mV Go to Step 4 Go to Step 3 3 1. Ignition “ON”, engine “OFF”, review and record Tech 2 Failure Records data and note parameters. 2. Operate the vehicle within Failure Records conditions as noted. 3. Using a Tech 2, monitor “DTC” info for DTC P0137 until the DTC P0137 test runs. 4. Note the test result. Does the Tech 2 indicate DTC P0137 failed this — Go to Step 4 Refer to Diagnostic Aids 4 1. Turn ignition “OFF”. circuits for a short to ground or a short to the heater Were Bank 1 HO2S 2 signal circuits shorted? — Go to Step 5 Go to Step 6 5 Repair the Bank 1 HO2S 2 signal circuit. Is the action complete? — Verify repair — 6 1. Ignition “OFF”. signal circuits. Was there continuity between the high and low circuits? — Go to Step 7 Go to Step 8 |