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"I have an 87 4.0 auto 4x4 inline 6. It will start cold with no
problem but after a few miles in hot temp or 20 minutes of driving will
stall or not start again until the engine has cooled some. I had a
mechanic look at it (small town) and suggested either ignition coil, module or
pick-up coil. I tested the ignition coil and it passed all ohm tests
but not sure if looking at replacing the entire distributor is the
correct way of thinking or if there is some other problem here. The engine
temp is fine and so is the fuel pump (already tested)."

2007-08-12 12:17:08 · 3 answers · asked by skinitback73 1 in Cars & Transportation Maintenance & Repairs

3 answers

It usually is the distributor either the pick up coil or module that causes this no start when hot, If you have the option and the price is right then change the entire distributor.

2007-08-12 12:33:20 · answer #1 · answered by Vince J 5 · 0 0

First, change the water temperature sensor, it might be shot and giving false readings.
Look into the possible vapor lock in the carb, or throttle body, also make sure the gas cap is proper and not a tight sealing radiator cap.
.
Ignition coils can also give a good reading, yet fail when hot.
Replace the distributor? no, usually not necessary and too costly, plus they don;t go bad only when hot.

2007-08-12 12:30:56 · answer #2 · answered by Anonymous · 0 0

Next time it dies, check for spark. That may not be the problem.

If the fuel line gets too hot, todays newer gas tends to boil easier than gas from a few years ago. (alcohol in it)

You may want to wrap any steel fuel lines that go past the exhaust manifold to insulate them from the heat.

Just one option.......???

2007-08-12 12:26:43 · answer #3 · answered by Mr. KnowItAll 7 · 0 0

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