Question about 1987 Ford Bronco II

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Black smokes & floods at times while driving

Engine speeds up at times on its on
while driving it starts black smoking an looses power
you can let off gas and start back drining and it runs fine

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  • Anonymous Apr 26, 2009

    mine when i frist start it up it runs fine and i can drive it for 10-15 mins and it starts cutin up and blowing black smoke and when i let off the gas it back fires really bad then sometimes afterawhile it will just run fine and itwill cut up off and on and when i sit at a light and its cutin up i can turn it off then back on and it runs fine for a few mins...... could it be my injectors over loadin?

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This is most often caused by a defective engine wiring harness, it gets breaks in the wire inside the wires insulator, very hard to track down, bend the harness where it goes to the engine, see if u Can make it act up.

Posted on Mar 06, 2009

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