Help Wont Start
03-08-2010, 11:43 AM
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Location: St Augustine, Fl
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Year: 1999
Model: Cherokee
Engine: 4.0 Power Tech
Help Wont Start
I drove my jeep all day yesterdayand parked it late afternoon, go to load the wife and grandson for a quick trip to the beach and NO START.
This is a 99 Sport 4.0 auto. I didnot hear the fuel pump run when I turned the key. Engine turns over but no start. I checked the fuel rail valve and no gas. I swapped the fuel pump and fan relay no difference. I unplugged the electrical connector at the fuel pump and get 11.8 volts on the Brown/yellow and blue wires, but I don't know which is pump and which guage sending unit. no other combo gives me voltage.
This is a 99 Sport 4.0 auto. I didnot hear the fuel pump run when I turned the key. Engine turns over but no start. I checked the fuel rail valve and no gas. I swapped the fuel pump and fan relay no difference. I unplugged the electrical connector at the fuel pump and get 11.8 volts on the Brown/yellow and blue wires, but I don't know which is pump and which guage sending unit. no other combo gives me voltage.
Last edited by duncan0668; 03-08-2010 at 06:55 PM.
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