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6E2–74 6VD1 3.2L ENGINE DRIVEABILITY AND EMISSIONS Engine Cranks But Will Not Run (Cont'd) Step No Yes Value(s) Action 22 Refer to Engine Mechanical Diagnosis to diagnose the following conditions: D Faulty or incorrect camshaft drive belts D Leaking or sticky valves or rings D Excessive valve deposits D Loose or worn rocker arms D Weak valve springs D Incorrect valve timing D Leaking head gasket Is the action complete? — Verify repair Go to Step 24 23 Observe the “Engine Speed” data display on the Tech 2 Is the engine RPM indicated? — Go to Step 24 Go to Step 33 24 1. Disconnect the 7-pin gray connector at the rear of the air filter beneath the point where the air duct 2. Ignition “ON.” ignition terminal at the PCM (female) side of the Is the test light “ON?” — Go to Step 25 Go to Step 31 25 1. At the PCM (female) side of the connector mentioned in step 25, connect a test light between 2. Ignition “ON.” injector driver circuit. Did the test light stay on when checking any of the 6 — Go to Step 26 Go to Step 28 26 1. Ignition “OFF,” disconnect the PCM. Is the test light “ON?” — Go to Step 27 Go to Step 32 27 Locate and repair the short to ground in the injector Is the action complete? — Verify repair — 28 1. Using the same test location as in step 26, connect a test light between the ignition terminal and one of 2. Crank the engine and observe the test light. Did the light blink during the test for each circuit? — Go to Step 30 Go to Step 29 29 Check for an open injector driver circuit. Was a problem found? — Verify repair Go to Step 32 |