Truck stops running when it rains??

Asked by Apr 27, 2015 at 07:14 PM about the 2004 Ford F-150 XL 4WD

Question type: Maintenance & Repair

I have a 2004 Ford F150. It runs great until it rains. If its a light rain it runs fine, when it rains hard the truck stops running?? What could this be?

4 Answers

26,585

im going to hear it on this one....start the truck and while its still cold! direct a garden hose around and under anything that would get wet/ make contact in the rain..somethings shorting out. if your lucky and find the spot,you will then have a head start on the problem..or you could move to yuma az..

1 of 1 people found this helpful.
19,860

Check for leaks around the windshield, the drain line from the area of the windshield wipers, near the PCM.

1 of 1 people found this helpful.
26,585

oj..good idea..i figured if water was geting inside of car (under dash) he would have known.if the PCM wasn't damaged from the pins being shorted together by the water. clean and dry the connector for the PCM. contacts corroded?

20

I hade the same problem with a Ford Bronco. It turned out to be a crack in the coil. After I replaced it I could drive through streams again.

1 of 1 people found this helpful.

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