Question about 1985 Buick Regal

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85 buick regal will come on after some time but won't accelerate without bogging down. Put a different carburetor, new plugs and wires, new fuel filter, has a new alternator, can't figure out what it could possibly be

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You didnt say any thing about exhaust work ? Does it have a factory cat on it? Might possibly be a exhaust restriction. Possible fuel supply and or delivery.

Posted on Nov 22, 2014

  • CBC Nov 24, 2014

    How would you check that



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Could be a plugged catalytic converter or a plugged fuel filter, run an exhaust back pressure test, any muffler shop will do this, most times for free, the other thing to do is have the fuel pressure tested under a load, also clean the MAF sensor, a little dirt on the sensor wire wrecks havoc, You didn't leave anything in the intake runners did you? have seen seasoned technicians do this more than once.

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