No start once every 2months
#1
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Model: Grand Cherokee
Engine: 4.0
No start once every 2months
This one has me puzzled. Once every 2 months it seems like my truck won't start. So I check for spark and its good. I check for fuel and there is none. Listen for fuel pump and its not on. Of course Every time it does this I'm not at work with no tools. Ill push the core in the sreder valve of fuel rail and crank no fuel. Let it sit for 4 hours or till next morning when I'm at work starts right up runs great no problems for 2 months. Its done it 3 times now. Check fuel pressure and its good. Cleaned out fuel lines new fuel filter. I don't get it. Is it just a jeep thing lol or am I missing something. 1994 zj 4.0l
#3
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Location: N.E. Tennessee
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Year: 1997
Model: Grand Cherokee
Engine: 4.0 w/K&N Intake
Several things come to mind.
Fuel pump is going bad or maybe has loose/corroded connections
Fuel pump relay is is going bad or has corrosion in socket
ASD relay is going bad or has corrosion in socket
Corroded wires in PDC where two above mentioned relays are located.
Fuel pump is going bad or maybe has loose/corroded connections
Fuel pump relay is is going bad or has corrosion in socket
ASD relay is going bad or has corrosion in socket
Corroded wires in PDC where two above mentioned relays are located.
#4
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Model: Grand Cherokee
Engine: 4.0
I made sure no corrosion in the two relay sockets. Ill try changing them and wait 2 months I guess lol before I head toward a fuel pump. And by pdc what do u mean?
#5
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Model: Grand Cherokee
Engine: 4.0
Sry I know what u mean now after re reading it. Ill check all that tomorrow and wait to see I guess. If it does again ill change fuel pump
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