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rough idle and MAF or FPR 850 1994

posted by  Oliver on  Wed May 17 01:50 CST 2006
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last visit: Tue Apr 24 15:09 CST 2012
[RELATED]

OK. Replaced the front and rear O2 sensors and the air temp sensor yesterday. The car has the same symptoms of idling rich. (All three were well past the recommended replacement mileage, so I'll say replacement was regular maintenance). I then tried a used ECU - same rich idle. Called the dealer this morning to confirm that they had checked the intake gasket, and found that they had not, so that will be the next step.

Spent a lot of time thinking about this last night, and this issue began when the dealer cleaned the throttle body. Now I just have to find the air leak.....

Oliver

Over a million Volvo miles and still smiling....


62 122S
66 1800S
86 245DL
96 850GLT






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