Question about 1998 Volvo S70

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My 1998 Volvo S70 occasionally dies at stop lights or in heavy traffic. It will go weeks without a problem but then die repeatedly and I can barely keep it running long enough to get off the highway or street I'm on. Then it will be fine again for a little while. It seems to do better when I have a full tank of gas, though it doesn't always guarantee it won't have issues. I got the "Check Engine" light checked and got different answers from different mechanics: one said I need a new fuel pump, the other said its something with the turbo, and yet another said MAF (mass air flow). I want to get this fixed ASAP but don't want to shell out money for parts that don't need replacing... help!!

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Underneath the front of your car, there is a big plastic tube going into a radiator looking thing ( not the coolant radiator) this tubing is for ur turbo. ull notice similar tubing on the top. one plastic tube at a time go around and look for any cracks u might see but the big problem usually lies where the tubes connect via hose clamps and rubber sleeves. especially the tube going into the cooler under the front of the car. look carefully and get underneath there. takes any plastics off to see. im tellin u if one of those tubes lets outside air in it will cause issues, its called unmetered air that doesnt cross the path of the maf sensor. look around very well ive seen many of these with the same systems. grab the tubes and move them around.

Posted on Oct 01, 2010


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