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Miss at Idle and Off Idle - Suggestions?
Posted by Rich P. (more from Rich P.) on Fri, 26 Apr 2002 13:01:47
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I have a '97 9000CSE with 64000 miles. It has an irregular miss at idle and tends to 'stumble' a bit off idle as well. I don't notice a pronounced difference under full boost, so I'm a little stumped. I ran a compression check and found that #1 was about 15 psi below 2,3 & 4 (165 vs 180 cold). The DI cassette and plugs were replaced a month ago and had no effect on the problem. I'm beginning to think I have a leaking intake valve or head gasket. I'll check for both with some pressure to #1 cylinder, but wondered if there were any other possibilities. Dirty fuel injector? Loose manifold?
Let me know what you think.
Rich P.
posted by 12.111.2...
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