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DI Cassettes - How do you tell it's going bad?
Posted by Rich P. [Email] (more from Rich P.) on Wed, 12 Dec 2001 17:00:15
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I have a '97 CS (upgraded to FPT) with 60K miles on it. The car runs strong and makes full boost, but the idle is slightly rough and I get a mild high frequency vibration off idle. When I had the vacuum/boost gauge connected to the car, I noticed that the needle would vibrate by +/- 0.5 PSI under most driving conditions. The only word I have come up with to describe the engine sound is "gravelly" (as in gravelly voice, etc.). Vacuum gauge vibration like mine is usually associated with ignition problems, so I'm leaning towards a bad DI cassette. Any thoughts? I don't have access to a 'know good unit' so I can't test it that way. Is this too early for the DI to go? The car is only 4+ years old (and out of warranty).
Thanks,
Rich P.
posted by 209.137.14...
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