Index Isuzu Isuzu Amigo / Axiom / Trooper / Rodeo / VehiCross - service repair manual 1999-2002 year
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6E–456 TROOPER 6VE1 3.5L ENGINE DRIVEABILITY AND EMISSIONS DTC P1404 – EGR Stuck Closed
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 “ON”, engine “OFF”, review and record Tech 2 Failure Records Data. 2. Operate the vehicle within Failure Records conditions as noted. 3. Using a Tech 2, monitor “DTC inf.” for DTC P1404 until the DTC P1404 test runs. Note the result. Does the Tech 2 indicates DTC P1404 failed this — Go to Step 3 Check the Procedure Refer to Diagnostic Aids 3 1. Disconnect the EGR valve harness connector. pin or terminals. Were there any damaged pins or terminals? — Go to Step 4 Go to Step 5 4 Repair the damaged pin or terminal. Is the action complete? — Verify repair — 5 1. Remove EGR valve from Engine. deposit on EGR shaft. 3. Inspect for any foreign material inside of EGR valve. Was excessive carbon deposit on EGR valve shaft — Go to Step 6 Go to Step 7 6 1. Clean up EGR valve shaft and inside of EGR valve. is bent. If damaged, leakage may occur. Was there any severe damage which affects function? — Go to Step 9 Verify repair Go to Step 7 7 1. Install the EGR valve. 40%. Did EGR work properly? — Verify repair Go to Step 8 8 1. Reset the learned zero EGR valve position. Did EGR work properly? — Verify repair Go to Step 9 |