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850 92k running rich 850

posted by  someone claiming to be please help on  Fri Jun 27 16:48 CST 2003 [RELATED]

I have a 1997 850 with 92k i changed the oil and now the car is running rich. I don't have any computer codes. I have checked the resitance of the O2 sensors with a multimeter (volt meter) and both the front and the rear had simiular resitances. With no codes I assumed the O2 sensors were ok. I then brought it to the dealer and they said it was the mass flow sensor. I ordered the part from OEM volvo parts online (new part) and put it in. Now, with the new sensor the car doesn't start. I have thought about replacing the temperature coolant sensor. I know the plugs are dirty because it was running rich and need replaced but it should start with the dirty plugs. The starter motor runs and the engine goes through the starting procedures but just wont run. PLEASE ANY HELP WOULD BE GOOD.






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New 850 92k running rich [850]
posted by  someone claiming to be please help  on Fri Jun 27 16:48 CST 2003 >


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