Volvo AWD 850 Forum

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Trying to diagnose a problem.... 850

posted by  someone claiming to be Ted Forne on  Mon Apr 5 12:45 CST 2004 [RELATED]

While driving, my 93 850 seems to lag horribly at low rpm's, nomatter what gear I'm in. For a second, I thought it might actually be the ac compressor because of the way it was acting. I think thats a whole other problem. Could a bad throttle position sensor cause this? I've already done some extensive swapping of sensors/ignition parts. Any ideas?








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Trying to diagnose a problem.... 850

posted by  someone claiming to be jeffery47 on  Tue Apr 6 02:19 CST 2004 [RELATED]

I would check the air filter, is it dirty? Remove it and run the car with the airbox closed up. Sometimes even a clean looking air filter is really plugged up.

I would check the plug wires/coil too.






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