Problem stalling....
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Cross-Country
Joined: Oct 2022
Posts: 59
Likes: 1
Problem stalling....
My '92 F150 with I6 and 150k miles is stalling quite frequently. Usually it is while entering a turn, but sometimes on the straight. Usually under 25 mph. When I come to a stop at a stop sign or red light, the engine often races a bit and then settles down. The check engine light comes on occassionally. I connected a code reader to the engine but I am not getting any numbers. I have had the truck for a year but have not had the time to do a tuneup or check under the hood (my bad). How should I proceed? What is your best guess?
FTE Legend
Joined: Nov 2015
Posts: 30,856
Likes: 4,106
From: Angier, NC
You can try and pull it and clean it if not opening and the port but if the vacuum side leaks you must replace.
Dave ----
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Cross-Country
Joined: Oct 2022
Posts: 59
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I took it to a friend of mine who is a retired mechanic. He fixed the EGR problem, cleaned up some wiring - maybe replaced it. He also took the idle device apart, cleaned it and put it back together again....replaced the pvc valve, the gasket on the intake manifold and the valve cover gasket. Truck is much more responsive now, no more check engine light....but it still stalls occassionally, always decelerating. Any suggestions? I am going to do a tune up in a couple of weeks.
Logistics Pro
Joined: Nov 2013
Posts: 3,922
Likes: 1,192
From: Mojave, Ca
Check your engine wiring harness between the engine and the driver side fender.
Let the truck idle while you shake the harness and connectors, looking for a shorted wire, a broken wire, or a bad connection in the connectors.
If you have a problem, the truck will stumble or stall when you disturb it.
Let the truck idle while you shake the harness and connectors, looking for a shorted wire, a broken wire, or a bad connection in the connectors.
If you have a problem, the truck will stumble or stall when you disturb it.
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