1998 fuel filter...Where is it? - JeepForum.com

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post #1 of 16 Old 04-05-2010, 01:26 PM Thread Starter
drespecki
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1998 fuel filter...Where is it?

Where in the blazes is the fuel filter on a 1998 4.0 Cherokee? On my Grand Cherokee, it is just a foot or so away from the gas tank in line... Also, is there a way to test the fuel pump? I don't hear it prime/start when I turn on the key and there is NO fuel at the fuel rail at all..
Thanks...


It only hurts while you're breathing..
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post #2 of 16 Old 04-05-2010, 01:31 PM
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on top of the fuel pump module

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post #3 of 16 Old 04-05-2010, 01:31 PM
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Hmm. Subscribed

Working with cars is a little like a really awesome date: you start out expecting this to be something simple and straightforward; four hours later you're laying under her, panting and cursing, and things are a lot more complicated than you thought.

When my Jeep stops making strange noises, I become concerned. That usually means I have to go back and find whatever fell off.
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post #4 of 16 Old 04-05-2010, 01:33 PM
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Hmm. Subscribed
lol i like your signature.

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post #5 of 16 Old 04-05-2010, 01:35 PM
CJ7-Tim
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1997-2001 the fuel filter is inside the gas tank and is not routinely serviced unless you are experiencing fuel delivery issues.

Apply 12 volts directly to the fuel pump to test it.

What symptoms are you experiencing? There are some common Cherokee sensor failures that result in a no-start situation or the fuel pump not running.

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post #6 of 16 Old 04-05-2010, 04:22 PM Thread Starter
drespecki
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No fuel at all coming to the fuel rail.... I cannot hear the fuel pump noise when it activates when you turn on the key. How do I apply 12 volts to the fuel pump without blowing myself up??

It only hurts while you're breathing..

Last edited by drespecki; 04-05-2010 at 04:23 PM. Reason: left out something
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post #7 of 16 Old 04-05-2010, 04:47 PM
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Originally Posted by drespecki View Post
No fuel at all coming to the fuel rail.... I cannot hear the fuel pump noise when it activates when you turn on the key. How do I apply 12 volts to the fuel pump without blowing myself up??

It sounds like you may either have a blown fuse, bad relay or fuel pump. Check the fuse and relay and then start to diagnose the pump..
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post #8 of 16 Old 04-05-2010, 05:03 PM Thread Starter
drespecki
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Super dumb question...Is the relay under the hood in the long rectangular box? Is the fuse inside on the passenger side? Thanks..

It only hurts while you're breathing..
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post #9 of 16 Old 04-05-2010, 05:06 PM
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Originally Posted by drespecki View Post
Super dumb question...Is the relay under the hood in the long rectangular box? Is the fuse inside on the passenger side? Thanks..

Honestly I beleive the relay should be there on the 96, but I own a 98 so i am not 100%. Do you haveyour owners manual, there is a fuse diagram for your Jeep in there.. and yeah the fuses should be in the kick panel.
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post #10 of 16 Old 04-05-2010, 05:08 PM Thread Starter
drespecki
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This is a 1998 and the manual is long gone... I may need a diagram from someone..

It only hurts while you're breathing..
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post #11 of 16 Old 04-05-2010, 05:24 PM
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Here is one diagram for 97+

You have an electrical control problem to the pump or the pump itself has died.

Jeep Cherokee Electrical - 1997 - 2001 XJ Fuse & Relay Identification - Reference guide to the fuses, ratings (Amps), relays and circuit information.

99 Cherokee, 4.0 AW4, NP242
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post #12 of 16 Old 04-05-2010, 05:39 PM Thread Starter
drespecki
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Can I disconnect the clip underneath about a foot from the fuel tank and jump it to see if the pump comes to life?? Thanks a lot for the fuse diagrams...

It only hurts while you're breathing..

Last edited by drespecki; 04-05-2010 at 06:02 PM. Reason: forgot
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post #13 of 16 Old 04-05-2010, 06:08 PM
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Can I disconnect the clip underneath about a foot from the fuel tank and jump it to see if the pump comes to life?? Thanks a lot for the fuse diagrams...

All you have to do is test the lead going to the tank to make sure it has juice. You are going to need an ohmeter to do this.
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post #14 of 16 Old 04-05-2010, 08:17 PM
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Have someone turn the key like they are trying to start it take a rubber mallet and tap on gas tank kinda same way you do with a starter.

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post #15 of 16 Old 04-06-2010, 03:06 PM Thread Starter
drespecki
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It looks like (not 100% sure yet) that no power is going to the fuel pump... the gas gauge stays down to the left and won't move.. CAN a bad crank position sensor cause the fuel pump NOT to work???

It only hurts while you're breathing..
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