Engine stalls when it rains

Asked by Dec 25, 2015 at 01:03 AM about the 2007 Dodge Ram 1500 SLT Quad Cab

Question type: Maintenance & Repair

I have a 2007 ram 1500 5.7 L hemi. It runs fine
when it's dry but when it rains the engine stalls.
Throttle control gone, and the electronic throttle
control light comes on I could use some advice.

7 Answers


scan for codes of course. sounds like there is a bad connection or rubbed wire somewhere. possibly water getting where is shouldn't in a fuse box or something. I am not sure why the wet would matter, but your gas pedal sensor could be bad. a code would tell you this. the water issue is the tell tale though. start by inspecting closely under the hood and under the vehicle for all wiring and connections.

Best Answer Mark helpful

Merry Christmas and thanks for your reply. I have scanned for codes and inspected the wires under the hood. Is it possible that water could be in the fuel tank or seeping in through a Crack in the fuel lines or fuel filter?


If it rains and it quits the problem is likely electrical in nature. It is very unlikely that water is getting into the fuel system. If it were mine I would disconnect the wire connector at the throttle body and look closely for corrosion and maybe put just a dab of di- electric grease in the connection. I would also do this at the throttle pedal connection. Issues like this can be a pain to diagnose.


I think Bob is right on, if there were water in the fuel the problem would be all the time, not just when its raining. Something electrical is getting wet. If you do unplug any connectors, spray them with electrical cleaner then use the dielectric grease.

1 of 1 people found this helpful.

10 points for Mike, thanks.

Thanks guys I'll give that a shot

could be a cracked distributer cap.

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