Dodge Cummins Diesel Forum banner

1 - 4 of 4 Posts

·
Registered
Joined
·
113 Posts
Discussion Starter #1
I've moved the lift pump down to the frame at the tank. Its been there for 70k miles. I've got a low pressure light to monitor it.

Lately the lift pump loses pressure when I leave the truck Idling for 5 to 10 minutes. The light comes on and the truck is sputtering. It never acts up while driving just at idle.

What's the problem?
 

·
Go for Broke
Joined
·
7,191 Posts
or it's time for a new one :thud:
 

·
Mopar1973Man.Com
Joined
·
26,259 Posts
You need to have a fuel pressure gauge... Most lights come on too late (<5 PSI)...

Minimum pressure is 10 PSI...:thud:
 
1 - 4 of 4 Posts
Top