Missing bad on speeeding up
My 1999 dodge 5.9 is missing bad. It has a Mad Dog 100 lift pump. I don't have a pressure gage. It acts like it is starving for fuel. Money is tight right now so don't want to replace something that is not the problem. I am questioning the lift pump. Is there any way of checking it without a pressure gage? I unpluged the pump and it acted the same way with it pluged in or unpluged. Any help you all can give me will be appreciated. Thanks
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Wait, are you saying you unplugged the lift pump and ran the truck without a lift pump at all?
If you weren't running low fuel pressure before, you sure did then... |
Yeah if you unplugged your pump you are damaging the VP. The only way to properly check the lift pump on the truck is to have a pressure gauge. The more you run it with out the lift pump the faster you will end up replacing a $1000 VP.
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Pump bad?
Thanks. I am going to get a pressure gage today. Last night I got under thr truck and had my wife turn the key on. Then I had her turn it off and back on bumping the starter. I could not hear anything or feel anything from the pump.
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