Index Isuzu Isuzu Amigo / Axiom / Trooper / Rodeo / VehiCross - service repair manual 1999-2002 year
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6E–478 6VE1 3.5L ENGINE DRIVEABILITY AND EMISSIONS Reviewing the Failure Records vehicle mileage since the Test Description Number(s) below refer to the step number(s) on the 3. Determines if the PCM is able to control the EVAP purge solenoid valve. 4. Determines if the DTC will set under the conditions present when the DTC was originally stored. If not, 5. Checks for a grounded EVAP purge solenoid driver circuit, a faulty EVAP vacuum switch, or a leaking DTC P1441 – EVAP System Flow During Non-Purge
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. Ignition “OFF”. Is “Fuel Tank Pressure” at the specified value? 1.51V Go to Step 3 Go to DTC P0452 or P0453 3 1. Re-install the fuel filler cap. Solenoid Valve “ON” (Closed). 3. Disconnect the canister side rubber hose end that hose is connected between the Purge Solenoid IMPORTANT: Before continuing with the diagnosis, Does the fuel tank pressure remain the specified 1.52 - 1.60V Go to Step 4 Go to Step 6 4 1. Disconnect the EVAP pressure/purge cart J41413, and then plug the hose end. 2. Disconnect the rubber hose end of engine vacuum source side, (the hose connected between Purge 3. Connect the vacuum hand pump to this rubber hose end. 4. Then apply the -15 in H2O vacuum by the vacuum pump. 5. Monitor the fuel tank inner pressure using the Tech 2. Does the fuel tank inner pressure hold the specified 1.47 - 1.51V Go to Step 6 Go to Step 5 5 Replace the Purge Solenoid Valve. — Verify Repair — |