How Do You Perform A Compression Test On The Engine In A Chevy Impala?
The Chevy Impala returned to the market in 2000 featuring a V6 engine, but 2006 and newer models offer a choice of V6 or the more powerful V8 engine. When these engines run poorly, a compression test is a helpful tool to diagnose the problem. Tearing apart the engine is difficult and time-consuming, but performing a compression test is simple and quick. Start by warming up the engine in the Chevy Impala, since a compression test on a cold engine will be inaccurate. After shutting down the engine, disable the ignition system to avoid electrical shock. Remove all of the spark plugs. If the car has a V8 engine, there will be eight spark plugs, but if it contains a V6, there will be only six. Insert the compression tester into any of the spark plug holes. Crank the starter to rotate the engine, building compression in that cylinder. Record the compression number and move on to the next spark plug hole. Repeat the procedure until you test all six or eight cylinders and record the compressio
