Low power when excellerating

Asked by Roger Oct 29, 2016 at 12:54 PM about the 2007 Chevrolet Silverado 1500 1LT Extended Cab 4WD

Question type: Maintenance & Repair

What will a leak down test determine

1 Answer
42,415

Auto_Centric answered 8 years ago

The leak down test will determine the condition of the engines sealing ability and wear, piston rings and valve efficiency... far more accurate than the old school compression test.

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