Buying a used car and compression test. This Test Saved Me Thousands When Buying a Used Car (New Compression Test), DIY and car repair with Scotty Kilmer. How to buy a used car. How to do a compression test on an engine. Engine compression test. How not to get scammed when buying a car. How to inspect a used car for purchase. How to check a used car for sale. What to look for when buying a car. Car advice. Car repair with Scotty Kilmer, an auto mechanic for the last 52 years.

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