Question about 1994 Volkswagen Jetta

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In my '94 VW jetta the check engine light comes on when im accelerating, at the same time, the car is running very rough and sputters. once i hit higher rpm like 3-4k the car runs smoother, and the light goes off. I have replaced the fuel filter, what could it be?

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It sounds like you have a problem with your fuel curve, how old is your o2 sensor? and are all your vacuum lines correctly installed? what is happing is as you increase the revs the proper air/fuel mixture is achieved, I hope this helps a little. You might want to run a diagnostic on it to see what sensors are malfunctioning.

Posted on Aug 02, 2010

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Did u diagnosis the car may it could air mass just scan it its an electric problem sure the fuel filter is not the right choise

Posted on Jul 20, 2010

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