High Fuel Rail Voltage

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Dennis Smith1966

Junior Member
Joined
Apr 15, 2021
Posts
3
Reaction score
0
Location
Arkansas
Ram Year
2015
Engine
5.7 Hemi
Thanks for any help you can give.
I have a 2015 Ram 1500 quad 4x4 5.7 Hemi.
I have an error code. For High fuel rail voltage. I changed fuel rail sensor, charcoal canister, gas cap and another sensor under the hood and fuel pump. All of which I was told were possible causes. I still have the check engine light.
Absolutely n symptoms of issues other than check engine light.
Last year DODGE said it was my gas cap. That was the 3rd gas cap installed. I can probably dig up error code if needed.

Also the light has been sort of intermittent?? Never flashes. Just sometimes will go out. Stay out a day then back on. Fuel level in tank has no effect
 

Fast69Mopar

Senior Member
Joined
May 10, 2019
Posts
2,431
Reaction score
2,649
Location
Texas
Ram Year
2006
Engine
5.7 HEMI
Thanks for any help you can give.
I have a 2015 Ram 1500 quad 4x4 5.7 Hemi.
I have an error code. For High fuel rail voltage. I changed fuel rail sensor, charcoal canister, gas cap and another sensor under the hood and fuel pump. All of which I was told were possible causes. I still have the check engine light.
Absolutely n symptoms of issues other than check engine light.
Last year DODGE said it was my gas cap. That was the 3rd gas cap installed. I can probably dig up error code if needed.

Also the light has been sort of intermittent?? Never flashes. Just sometimes will go out. Stay out a day then back on. Fuel level in tank has no effect
What is the actual DTC?

Is the code for the fuel tank pressure sensor?

PXXXX?
 
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