1988 ford f-150 4x4 5.0 motor

1988 FORD F-150
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MARINE3567
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  • 1 POST
i just bought it.
seems to idle up and down.also when driving if i get into it,it bogs down and the check engine light comes on.
i think it is the map senser but dont know for sure.
Mar 26, 2007 at 4:26 AM
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MERLIN2021
  • CAR REPAIR CONTRIBUTOR
  • 17,250 POSTS
go to autozone and have the codes read....then post the codes here so we can see what's going on.
Mar 26, 2007 at 9:30 AM
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MCFERRANCE
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  • 100 POSTS
Most likely is the map sensor. It has been a while since I had this problem, but I believe that when you disconnect and plug the vaccuum line to it, the idleing smooths out and this would signify that it is bad.
Mar 28, 2007 at 9:29 PM
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