95 850 run rough with full tank of fuel
#1
95 850 run rough with full tank of fuel
This is an unusual problem. I have searched for any similar problems with no success. My wife drives a 1995 Volvo 850 GLT 5 Speed Non-Turbo 5 Cyl. Whenever we fill the fuel tank the car runs very rough. No power, sputters on acceleration, you have to back off the pedal a little to get the car to go. It runs very rough and as we add miles the car runs a little smoother. By the time you reach about 50 miles the car runs smoother. It makes no difference whether it is hot or cold, or highway or city. All that matters is how full the tank is. If I tell her to just put halfa tank in then the car runs fine. The fuel pump was replaced a few years ago, and this problem has been going on for the last couple years. I have tried different brands of fuel and all different kinds of fuel system cleaners. The fuel brand and octane, and the different cleaners, made no difference. The check engine light does not come on during any of the rough riding and the car doesn't stall. It just won't get out of its own way. Thanks in advance for any help.
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jold
Volvo 240, 740 & 940
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11-05-2010 08:23 PM