Truck just shuts off.

[Andyharris]

Going down hill at a slow speed my truck will randomly shut off while. Has anyone else ever experienced tho issue? I think the fuel pump is going out or something.

 

[Johnn123]

Check the fuel pressure at the rail, should be 48-50 psi, anything less replace the pump.

 

[Andyharris]

I just watched a video on the IAC. My truck only shuts off when I am slowing down to stop. How can you diagnose this! Is there a way to tell if it is the IAC?

 

[moparman]

Could possibly be a locked up torque converter causing the stall when youre slowing down

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[Andyharris]

I have to clean the throttle body. It is clogged up. Plus the iac is bad. So now I know what needs to be fixed. Thank you all for the help!