Question about Haynes Ford Pick-ups and Bronco Repair Manual covering all Ford full-size pick-ups F-100 thru F-350 and Bronco for 1980 thru 1996 Gasoline engines only

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Intermittant no spark. Cruising along and shuts off like someone flipped a kill switch

Just purchased. Driving along and without any warning, it dies. No sputter or hesitation. Just like someone flipped a swich. Drove 2 miles and it happened. waited a bit and it started. Drove a 1/2 mile and shut it off. 10 min later wouldnt start. 30 min.later it fired right up. Drove it home ( about 20 miles on highway) it never missed a beat. I went out 20 min later... no go. The next day fired right up. Made it a mile - died. A good sumaritan towed me to my destination. After I unhooked the chain, it fired right up. Someone said ignition control module?

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Gotta be either fuel, fire, compression or timing, so next time it dies, spray a little starting fluid into the intake, if it starts right back up -fuel problem-probably stopped up fuel filter, bad fuel pump. If not, remove a spark plug wire and attach old spark plug , lay it on a grounded metal part of the engine or frame , have someone try to start it, watch to see if the plug is firing.

Posted on Apr 30, 2017


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