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6E2–262 6VD1 3.2L ENGINE DRIVEABILITY AND EMISSIONS Rough, Unstable, or Incorrect Idle, Stalling Symptom (Cont'd) Step No Yes Value(s) Action 10 1. Visually/physically inspect for the following conditions: D Restricted air intake system. Check for a D Throttle body. Check for objects blocking the 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 8 11 Check the injector connections. If any of the injectors Was a problem found? — Verify repair Go to Step 12 12 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 13 13 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 14 14 1. Check for proper ignition voltage output with spark tester 5-8840-0383-0. 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 15 15 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 16 16 1. Check for a loose ignition coil ground. Refer to Electrical Ignition System. 2. If a problem is found, repair as necessary. Was a problem found? — Verify repair Go to Step 17 |