1995 f-150 running rough
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1995 f-150 running rough
i have a 1995 f-150 with the 5.0. i changed plugs, wires, cap, rotor, and fuel filter, and while driving today, it seemed to hesitate when push down on throttle. then it would pick up and run fine, but check engine light would come on for a while then go off, then on again. temp, oil pressure, and fluid levels are all fine. when idleing, it will idle rough for a minute, then pick up and run smooth for a while, then rough again, then smooth again, and so forth. pulled codes and got one for the egr valve, and the map sensor. found egr valve fine, but where is the map sensor hiding on this engine? will these two being bad cause this condition?
Post Fiend
Joined: Jan 2005
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Junior User
Joined: Jun 2006
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running rough
thanks for the reply, but unless i am blind, my map sensor is not on the firewall anywhere. i have looked everywhere, and followed all vacuum lines and electrical connections and they lead to nothing close to a map sensor. the only place i cant really see is down behind motor. but i can see firewall back there, and nothing. maybe someone can send pic to me of theirs and show me where it is. i just know i cant fix what i cant find! lol thanks again
Der Postmeister
Joined: Sep 2006
Posts: 6,859
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From: Long Beach, Calimexiforia
It had a map the year prior, some in 95' & not too long afterwards, they stared using MAP & MAF, to make up for the shortcomings of each air intake monitor system's when used individually. The best of both worlds.
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