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Home >> GMC >> 2003 >> Safari Van Cargo, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 425 (Engine Controls - Trouble Shooting - No Codes) >> Symptoms >> Rough, Unstable Or Incorrect Idle & Stalling >> Engine Mechanical

Engine Mechanical

WARNING: This page is about a different car, the 2003 Chevrolet Corvette. However, it is still accessible from the selected car via links, so may be relevant.
  1. Inspect engine mechanical for the following:
    • Compression
    • Sticking Or Leaking Valves
    • Worn Camshaft Lobes
    • Valve Timing
    • Bent Push Rods
    • Worn Rocker Arms
    • Broken Valve Springs
    • Excessive oil in combustion chamber or leaking valve seals.
  2. For incorrect basic engine parts. Inspect the following:
    • Camshaft
    • Cylinder Heads
    • Pistons, etc.