Tip - How to Perform a Compression Test on the Engine in a Nissan Altima | eHow

The Nissan Altima originally came with a 4-cylinder engine but began offering the choice of a V6 engine with the 2002 model. As these engines become older, parts inside wear out and the car runs poorly, burns oil or loses power. A compression test is a helpful way of diagnosing these problems, such as worn cylinder walls, piston rings and valves.