HAVE AN 89 BRONCO II WITH AUTO.....ALSO USED TO HAVE AN 88 STD....BOTH EXIBITED SOME MISSING AT HIGH SPEED 2500 OR SO RPM WHEN BARELY LOADED....WOULD MISS LIKE THE SPARK GROUNDED FOR A MILISECOND

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Asked by RONGALL Feb 06, 2014 at 07:06 PM about the 1989 Ford Bronco II

Question type: Maintenance & Repair

LIKE THE SPARK GROUNDS FOR A MILISECOND....BOTH CHECKED FOR CODES NO HELP......IM WONDETING IF THE DISTRIBUTOR OR COIL IS INTERMITTENT ......ANYBODY EVER EXPERIENCE LIKE THIS
RON ROG_1939@YAHOO.COM

breezeway answered 10 years ago

The 1/0 black battery cable MUST be connected solidly...as this supplies ALL the grounds for the whole vehicle...wipers...fuel pump...ignition...yes, if given faulty ground the spark will reduce voltage and be weakened...heated 02 sensors will not heat and give proper data....yes, the main ground...take the bolt off, wirebrush all corrosion off the main ground...wirebrush the main ground and put a fresh non-corroded bolt to put them together...with a fresh battery your ignition will reach full potential~

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breezeway answered 10 years ago

you might just check your fuel pressure regulator to be sure that it still is operational...the vacuum hose is not cracked and crumbled and the diaphragm has not been eaten away by benzene~

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Your Answer:

HAVE AN 89 BRONCO II WITH AUTO.....ALSO USED TO HAVE AN 88 STD....BOTH EXIBITED SOME MISSING AT HIGH SPEED 2500 OR SO RPM WHEN BARELY LOADED....WOULD MISS LIKE THE SPARK GROUNDED FOR A MILISECOND 2 Answers

LIKE THE SPARK GROUNDS FOR A MILISECOND....BOTH CHECKED FOR CODES NO HELP......IM WONDETING IF THE DISTRIBUTOR OR COIL IS INTERMITTENT ......ANYBODY EVER EXPERIENCE LIKE THIS RON ROG_1939@YAHOO.COM

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