Has anyone ever had intermittent MAP sensor issues? Just wondering cause the 96 850 non-turbo GLT has started intermittent rough idle. When the rough idle occurs, black smoke comes out the exhaust, and engines runs quite rough. Clears up in a few minutes and may not do it again for a few minutes or a few days... No codes. Dealer has not been able to replicate, so no fix yet. Just sounds like a flakey MAP sensor.
Thank you in advance for any assistance....
Oliver
Over a million Volvo miles and still smiling......
64 122S
66 1800S
86 245DL
96 850 GLT
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