Fuel pump ?
09-28-2012, 06:45 PM
#1
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Year: 1996
Model: Cherokee
Engine: 4.0 HO
This morning while in town my Cherokee started spitten and sputtering. I managed to get into a parking lot before it died. This ain't the first time this has happened. It's done it many many times. It vapor locks on me (heat soak). So I let it sit for a while, normally 30 to 45 min an I can go on with my business. Well it's still sitting in the parking lot. There is no fuel getting to the fuel rail. I moved around some relays thinking that might be it but that's not it. Is there a fues for the fuel pump or did I get that lucky and the fuel pump go out?
09-28-2012, 06:50 PM
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Year: 1996
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Engine: 4.0 HO
No I checked that. That why I'm thinking fuel pump but I wasn't sure if there is a fuse for it.
Last edited by Countryboy 73; 09-28-2012 at 07:03 PM.
09-28-2012, 07:02 PM
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09-28-2012, 07:06 PM
#8
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Confirm the pump is getting a signal to run. Have a friend cycle the key while you probe the connector at the tank with a test light. One wire will be constant low voltage with key on, that will be for the gauge. Other will be a bright light for about 5 seconds when key is cycled to on position.
09-28-2012, 07:08 PM
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09-28-2012, 07:12 PM
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Year: 1996
Model: Cherokee
Engine: 4.0 HO
Originally Posted by JeepingDan
Confirm the pump is getting a signal to run. Have a friend cycle the key while you probe the connector at the tank with a test light. One wire will be constant low voltage with key on, that will be for the gauge. Other will be a bright light for about 5 seconds when key is cycled to on position.
09-28-2012, 07:13 PM
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Year: 1996
Model: Cherokee
Engine: 4.0 HO
Originally Posted by SeriousOffroad
It's a replacement for the pump that's currently in your fuel pump module.
09-28-2012, 07:34 PM
#12
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Originally Posted by Countryboy 73
Ok. The one in the tank sits diagonally, it's not a top mount.
Just one thing that matters is how much fuel is in that tank.
09-28-2012, 07:41 PM
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Year: 1996
Model: Cherokee
Engine: 4.0 HO
Originally Posted by JeepingDan
So this is just a small pump that can be changed with out dropping the tank. Best idea ever!! And it's a lot cheaper!
Just one thing that matters is how much fuel is in that tank.
09-28-2012, 10:11 PM
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Year: 1996
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Originally Posted by JeepingDan
So this is just a small pump that can be changed with out dropping the tank. Best idea ever!! And it's a lot cheaper!
Just one thing that matters is how much fuel is in that tank.
