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6E–478 6VE1 3.5 ENGINE DRIVEABILITY AND EMISSIONS Cuts Out, Misses Symptom (Cont'd) Step No Yes Value(s) Action 20 1. Check the PCV valve for proper operation. Refer to Crankcase Ventilation System. 2. If a problem is found, repair as necessary. Was a problem found? — Verify repair Go to Step 21 21 1. Check the transmission range switch circuit. Use a Tech 2 and be sure the Tech 2 indicates that the 2. If a problem is found, diagnose and repair the transmission range switch as necessary (refer to Was a problem found? — Verify repair Go to Step 22 22 1. Check the following engine mechanical items. Refer to Engine Mechanical for diagnosis procedures: D Low compression D Sticking or leaking valves D Worn camshaft lobe(s) D Camshaft drive belt slipped or stripped D Incorrect valve timing D Worn rocker arms D Broken valve springs 2. If a problem is found, repair as necessary. Was a problem found? — Verify repair Go to Step 23 23 1. Check for faulty motor mounts. Refer to Engine Mechanical for inspection of mounts. 2. If a problem is found, repair as necessary. Was a problem found? — Verify repair Go to Step 24 24 1. Review all diagnostic procedures within this table. malfunctions have been found, review/inspect the D Visual/physical inspection D Tech 2 data D Freeze Frame data/Failure Records butter D All electrical connections within a suspected 3. If a problem is found, repair as necessary. Was a problem found? — Verify repair Contact Technical Assistance |