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6E–286 ENGINE DRIVEABILITY AND EMISSIONS Hesitation, Sag, Stumble Symptom (Cont'd) Step No Yes Value(s) Action 10 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 11 11 1. Check for a loose ignition coil ground. Refer to Electronic Ignition System. 2. If a problem is found, repair as necessary. Was a problem found? — Verify repair Go to Step 12 12 1. Check the ignition coils for cracks or carbon tracking. 2. If a problem is found, repair as necessary. Was a problem found? — Verify repair Go to Step 13 13 1. Remove spark plugs and check for wet plugs, cracks, wear, improper gap, burned electrodes, or 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 14 14 1. Check the PCM grounds for clearness, tightness and proper routing. Refer to the PCM wiring 2. If a problem is found, repair as necessary. Was a problem found? — Verify repair Go to Step 15 15 1. Check the MAF sensor connections. necessary. Refer to Electrical Diagnosis for wiring repair procedures. Was a problem found? — Verify repair Go to Step 16 16 1. Visually/physically check vacuum hoses for splits, kinks, and proper connections and routing as 2. If a problem is found, repair as necessary. Was a problem found? — Verify repair Go to Step 17 |