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CONDITION POSSIBLE CAUSE CORRECTION ENGINE LOSS OF POWER 1. Dirty or incorrectly gapped plugs. 1. Set gap as needed or replace 2. Contamination in fuel system. 2. Clean system and replace fuel 3. Faulty fuel pump. 3. Test and replace as necessary. 4. Incorrect valve timing. 4. Correct valve timing as needed. 5. Leaking cylinder head gasket. 5. Replace cylinder head gasket. 6. Low compression. 6. Test compression of each 7. Burned, warped, or pitted valves. 7. Replace valves. 8. Plugged or restricted exhaust 8. Check exhaust system restriction. 9. Faulty coil(s). 9. Test and replace as necessary. ENGINE MISSES ON 1. Dirty or incorrectly gapped spark 1. Set gap as needed or replace 2. Contamination in Fuel System. 2. Clean fuel system and replace 3. Burned, warped, or pitted valves. 3. Replace valves. 4. Faulty coil(s). 4. Test and replace as necessary. ENGINE MISSES AT HIGH SPEED 1. Dirty or incorrect spark plug gap. 1. Set gap as needed or replace 2. Faulty coil(s). 2. Test and replace as necessary. 3. Dirty fuel injector(s). Test and replace as necessary. 4. Contamination in fuel system. 4. Clean system and replace fuel CS ENGINE 3.5L 9 - 7 ENGINE 3.5L (Continued) |