Question about 2000 Toyota Avalon

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Need to know how to do a compression test on a Toyota Avalon conquest 2000

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Buy or borrow a compression tester gauge that screws into the block where you take out a spark plug. disable the engine so it won't start (coil wire, computer or ignition fuse, fuel pump fuse or connector, etc). turn the engine over several seconds for a reading that should hold for a long period of time. if it doesn't build up pressure or leaks down quickly that's a compression problem. don't worry about actual psi readings, just compare all the cylinders to one another. they should be relatively equal and hold pressure.

Posted on Sep 13, 2010


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the tech, gets to do tests in FSM to find CAUSE.
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