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Hot Stall today ... ECU? 200 1991

posted by  AOG on  Mon Mar 14 20:42 CST 2011
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last visit: Sun Feb 2 13:09 CST 2014
[RELATED]

Well, it could be lots of things. I'm not totally convinced I'm hitting it here, but I'd be curious to test the fuel pressure. See if you can get a gauge and test it - that would save you the time of inspecting everything.

It sounds like the condition has been degrading if it is a recurrent problem. how old is your fuel filter? Did you say you changed the in-tank pumps in both your cars? How did the inside of the tank look? What about the fuel pickup sock? Art is right about it being as simple as fuse 6. Fuse 6 on my car had melted plastic and was barely making contact (caused by a slipped spade connector from one tail-lite). A plugged fuel filter will cause low pressure.

Inspect the fuel lines... are they kinked or crushed? What about the fuel pressure regulator. What happens if you pinch the vac hose or the fuel return hose?

Possibly also a bad ground causing weak FP relay contact?? Clean the connectors for the relay & trace back the ground for that relay. I think it goes near the center console (?).

Good luck, Joseph! You'll figure it out!
Steve






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