2002 Ram 1500 4.7, Fuel delivery problems

Asked by migration_musicman24... Jan 26, 2016 at 08:55 AM about the 2002 Dodge RAM 1500 SLT Quad Cab RWD

Question type: Maintenance & Repair

I recently replaced fuel pump, due to no fuel delivery to engine. The problem
has improved somewhat, but still takes multiple ignition starts, and pressing of
gas pedal. Any suggestions ? Thanks in advance.

12 Answers

65,510

Did you also replace fuel filter ? Also check air filter and replace if necessary clean throttle with throttle body cleaner and add seafoam fuel injector cleaner to gas tank.

1 people found this helpful.

I wasn't aware of a fuel filter. Someone told me, it was built in to the fuel pump. Where is fuel filter located ? I will clean the throttle body, and add the seafoam fule injector cleaner. Thanks for the info

223,915

You need to do a fuel pressure bleed down test by hooking up a fuel pressure gauge, building up pressure on the gauge by cycling the key, and let it set for 3 minutes. If the pressure drops more than 5 lbs. then there is a leak either in the fuel injectors, spider lines, or regulator.

3 people found this helpful.
223,915

I don't know I do everything myself. I wouldn't think so, but I have heard garages charging up to $100. for diagnostics.

1 people found this helpful.
10

Okay, I was able to rent a fuel pressure test kit from the local Auto Parts. How long, am I supposed to leave it pressurized, to determine any leakage ?

1 people found this helpful.
223,915

In three minutes the pressure should not drop more that 5 lbs. from your highest pressure reading when you turn the key off.

2 people found this helpful.

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