motor cutting out

5

Asked by Nov 23, 2009 at 06:13 PM about the 1987 Ford F-150

Question type: Maintenance & Repair

I have an 87 ford f 150 custum with the 5.0 302. I notice when i am going down the highway the engine cuts out for a quick second about every 30 to 40 seconds. I can watch the rpms drop really quick as well. does anybody know what could be wrong.

2 Answers

585

the first thing that comes to mind is the ignition timing, or the distributor is missing a tooth. but then it would run crappy every other time you go for a drive. hmm, just wondering cuz i don't exactly know about that year as much but is ur truck fuel injected? If so it's the FI system that's the problem.

5

if it is an EFI motor with alot of miles on it ur EGR valve could be goin bad....i i had an 89 with that problem

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