my truck keeps stalling after it warms up,i changed all filters.what might be the problem

Asked by Jul 26, 2010 at 03:17 PM about the 1987 Ford F-150

Question type: Maintenance & Repair

4 Answers

415

Look for a intake manifold leak or broken vacuum line. Sometimes a hose will collapse after it gets warmed up from the engine heat and cause stalling. This happened on my 98 Expedition. The hose was on the passenger side near the fire wall.

1 out of 1 people think this is helpful.
50

did you figure out the issue? I have an 88 fuel injected v8, warms up and then studders and stalls. I dont know what to think, it all looks broke to me!

4 out of 4 people think this is helpful.

try changing the throttle position scensor.

915

or you can try changing the fuel pump

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