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Old 06-02-2013, 09:56 PM   #1 (permalink)
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Angry Lack of acceleration

Hey guys,

I have a 97 328i Bimmer and I'm having acceleration issues. I can take off strong however when I get 200 yards or less down the road the car drops to 5MPH and stays there. I understand it might be a Mass Air Flow sensor which costs about $60. I just don't want to purchase it until I know.
What are your thoughts? I'd appreciate your advice greatly.

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Old 06-03-2013, 06:54 PM   #2 (permalink)
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I would have the OBD system scanned for trouble codes first. Being that its OBDII if their is a problem with something like the MAF, it will display a trouble code. Thats the best way to know.

Other things you should do are check for vacuum leaks. Check your spark plugs and coil packs. I had a coil pack come loose and a second pack had a electrical plug come loose. Felt like a 318. Fixed that and it was back to normal.

Other then the MAF it could be a Camshaft Position Sensor or a Throttle Position Sensor.
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Old 06-04-2013, 05:03 AM   #3 (permalink)
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Maybe fuel pump issue or blocked fuel filter?

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