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Old 12-04-2012, 06:31 PM
Torque454 Torque454 is offline
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87 Ford 5.0 revving up and down and occasionally stalling

I am having a problem with my 87 ford f-150. The engine revs up and down randomly at idle and sometimes stalls, especially when I pull into my driveway, right before I stop. Half the time its ok the other half of the time it revs up and down. I suspect a vacuum leak but I cant find one anywhere and i would think a vacuum leak would be a constant problem not an intermittent one. Is there anything else it could be?
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