Question about 1989 Buick Regal

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Runs rough at start up,then runs okay, Hesitiates momentarily when moving from a stopped position. Occasionally wont start and runs rough, then runs okay. This problem is intermittent

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  • babudahya Sep 04, 2009

    Car had coil and leads replaced recently

  • babudahya Sep 04, 2009

    1 week ago

  • babudahya Sep 04, 2009

    dont know the fuel pressure. Dont know trouble codes

  • yadayada
    yadayada May 11, 2010

    what is the fuel pressure? what trouble codes do u have in memory?

  • carhob May 11, 2010

    when was last tune up?

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You have a bad injector, if you have A... as it states on the top of the motor 2.8, 3.1 L MULTI PORT and dies or idles really rough and the exhaust smells like strong gas. most likely you have an injector that has shorted or is shorting out and from my experiences usually after a road trip or using fuel injector cleaner or buying a used car. it will cause half the motor to not run or run poorly VERY POORLY or even burn out 1 injector fuse out of 2 under hard acceleration or idles but as soon as you touch the gas pedal dies. but only if it is a MULTI PORT fuel injected motor. ive heard you want to try and replace them with bosch injectors out of a 2.9l ford bronco/ranger. only attempt if you got the mechanical know how sometimes if not done right will leak gas because of the injectors being kinda different length. research before attempting.

Posted on Nov 15, 2009

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