Index Isuzu Isuzu Amigo / Axiom / Trooper / Rodeo / VehiCross - service repair manual 1999-2002 year
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6E–518 6VE1 3.5L ENGINE DRIVEABILITY AND EMISSIONS Rough, Unstable, or Incorrect Idle, Stalling Symptom (Cont'd) Step No Yes Value(s) Action 11 1. Visually/physically inspect for the following conditions: D Restricted air intake system. Check for a D Large vacuum leak. Check for a condition that 2. If a problem is found, repair as necessary. Was a problem found? — Verify repair Go to Step 9 12 Check the injector connections. If any of the injectors Was a problem found? — Verify repair Go to Step 13 13 1. Perform the “Injector Coil/Balance Test” in Fuel Metering System. 2. If a problem is found, repair as necessary. Was a problem found? — Verify repair Go to Step 14 14 1. Check for fuel in the pressure regulator vacuum hose. 2. If fuel is present, replace the fuel pressure regulator assembly. Refer to Fuel Metering System. 3. If a problem is found, repair as necessary. Was a problem found? — Verify repair Go to Step 15 15 1. Check for proper ignition voltage output with spark tester J 26792 (ST-125). Refer to Electronic Ignition System for the procedure. 2. If a problem is found, repair as necessary. Was a problem found? — Verify repair Go to Step 16 16 1. Remove spark plugs. Check for wet plugs, cracks, wear, improper gap, burned electrodes, or heavy Electronic Ignition System. NOTE: If spark plugs are gas or oil fouled, the cause of 2. If a problem is found, repair as necessary. Was a problem found? — Verify repair Go to Step 17 17 1. Check for a loose ignition coil ground and ION Sensing Module circuit. 2. If a problem is found, repair as necessary. Was a problem found? — Verify repair Go to Step 18 18 1. Check ignition coils for cracks or carbon tracking. Was a problem found? — Verify repair Go to Step 19 |