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Home › GMC › 1994 › Forward Control 7.4 N › Repair and Diagnosis › Engine Performance › System › Engine Controls - System/Component Tests - 6.5L Diesel › Fuel System › Hard Start › Engine Mechanical Checks

Engine Mechanical Checks

Check the engine for the following:
- Improper valve timing
- Low compression
- Bent pushrods
- Worn rocker arms
- Broken or weak valve springs
- Worn camshaft lobes