Question about 1987 Ford Bronco II
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
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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Posted on Jan 02, 2017
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