1999 Dodge Truck changed fuel filter now it wount start

Tiny
JENBUNNY
  • MEMBER
  • 1999 DODGE TRUCK
1999 Dodge Truck Four Wheel Drive Manual

hello, please help me, I have a 1999 dodge 2500 5.2 deisal truck, I changed fuel filter, and now it wount start please help.
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Sunday, March 21st, 2010 AT 8:30 PM

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Tiny
RASMATAZ
  • MEMBER
Air could be in the system try purging it

AIR IN THE SYSTEM

Air can cause numerous problems with the diesel engine and is one of the hardest problems to solve. The best way to determine that air is the problem is to hook up a clear hose in the return system. If air is coming through the return system then it is probably getting into the system on the inlet side somewhere and causing problems with the fuel system.

Air can enter the system two ways. The first is a bleedback where air is evident after the engine sets inoperative for a period of time and the fuel drains back to the tank and the system has to be reprimed. The engine may or may not start but if it does start it may only run a few seconds, die and refuse to start immediately. The lift pump is one of the most common causes of this situation, however any opening in the fuel system can allow this situation.

Constant air out the return and constant rough running, missing and white smoke can also be an indication of air in the system. In this situation air is usually entering the system somewhere prior to the pump inlet. If a fuel leak is evident this should be checked and repaired first, however a fuel leak does not necessarily have to be evident where air is entering. Sometimes the fuel system can be pressured up by an external fuel pump. If a fuel leak then becomes evident this could be the source of the air leak. Visual inspection of rubber hoses, line fittings and steel lines where they have been rubbed should also be made to isolate the source of the air.
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Monday, March 22nd, 2010 AT 5:24 AM

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