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Have someone pull the computer code first ,sounds (archive)
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Posted by Gary on January 14, 2002 at 09:35:20:

In Reply to: 95 740I rough idle & Check engine posted by Brian eckel on January 13, 2002 at 20:18:20:

Like the 02 sensors.......



Hey guys,

I need some help! My 95 740il recently began idling very rough after driving up a steep grade and the check engine light came on. I recently had a leak down done and the car passed with flying colors. (less than 9% per cylinder) The car has 80K miles. Is it likely that the PCV valve has gone bad. It also makes a loud whistling sound somewhere around the back of the motor.

thanks!
Brian




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