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Chevrolet Prizm Forum : “Anyone had trouble with loss of compression on cylinder #4?”

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woodsplit
05/25/2007, 3:40PM
About: 2002 Chevrolet Prizm
Anyone had trouble with loss of compression on cylinder #4?

'02 with 57k miles.  Has an occasional pinging sound like spark knock under acceleration.  Octane boost did not help.  A compression check revealed 210 psi on cyls 1-3 and 100 psi on cyl 4!  Loss of some power is evident.

It has also been steadily consuming more oil.  Now, I need to put in about 1.5 quarts between 3000 mile changes.

lightGear
05/31/2007, 2:58PM

Check this site out. It will give you a list of what could be wrong.

http://www.autozone.com/UseCase,S001/UserAction,viewSimpleDiagInfo/Parameters,info/getInTheZone.htm

1. Click on "sounds"
2. Click on "pinging"
3. Click on "acclerating"

that will give a list of items to check out. Good luck.

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