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1998 Jeep Cherokee Replacement Screens on intank fuel pump

Tiny
BLAZER911
  • MEMBER
  • 1998 JEEP CHEROKEE
  • 6 CYL
  • 2WD
  • AUTOMATIC
  • 244,000 MILES
The problem I am having is related to the fuel delivery system I THINK. The truck stutters and stalls after driving for awhile it cuts off and refuses to restart until it has sat for a half hour or so then it will start and run for the next hour or so. Mind you I drive an average of 250 miles a day making deliveries.

I had it's codes checked and everything pointed to the cam shaft sensor (whch I replaced) and replaced all plugs, points and rotor button plus wires.

The codes only showed a malfuction and not a fault failure.

This is why I think it is related to the fuel pump and or fuel pump screens.

The parts store told me that there are two screens to be replaced within the tank one on the module and the other in the tank is this true? And how easy are they to replace by myself?
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Wednesday, January 27th, 2010 AT 2:54 PM

9 Replies

Tiny
JDL
  • MECHANIC
  • 16,098 POSTS
Welcome, I'd use a gage and check fuel pressure, first. Some of the national brand autostores might loan you a fuel pressure gage? You can call and ask.

I believe there is a filter/regulator, that sits on top of the fuel pump assembly. Also, there should be a strainer on the intake end of pump. The partsbook showed a strainer.
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Wednesday, January 27th, 2010 AT 3:54 PM
Tiny
BLAZER911
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  • 5 POSTS
Can you give me an idea of what the pressure should be when I check te Fuel rail?

And am I right in thinking that both screens are inside the gas tank?
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Wednesday, January 27th, 2010 AT 4:39 PM
Tiny
JDL
  • MECHANIC
  • 16,098 POSTS
My info says 44--54 psi.

The screen is in the tank. The filter/regulator is not in the tank. Sits on top of the fuel pump assembly.
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Wednesday, January 27th, 2010 AT 6:35 PM
Tiny
BLAZER911
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  • 5 POSTS
OK changed the screen and it seemed to work but when driving along the jeep started to buck like before RPM's went to 3K before the thing shut down. I waited 15 minutes and the jeep runs once again but it wants to continue to buck and stall. ANY ideas
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Friday, January 29th, 2010 AT 2:28 PM
Tiny
JDL
  • MECHANIC
  • 16,098 POSTS
I'd still check fuel pressure. The national brand autostores used to check codes for free. You can call and ask?
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Saturday, January 30th, 2010 AT 12:53 PM
Tiny
BLAZER911
  • MEMBER
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When you say that there is a filter on top of the pump do you mean inside of the module ?

and how do you get the damn thjng apart to replace the pump anyway? it seemed like a sealed assembly


https://www.2carpros.com/forum/automotive_pictures/471298_fuel_pump_1.jpg

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Saturday, January 30th, 2010 AT 2:02 PM
Tiny
JDL
  • MECHANIC
  • 16,098 POSTS
Hi, pressure regulator/filter combination. My parts book, showed this. As far as how to get it off, I guess I'd have to look at it. I can't remember every year-- make -- model I ever worked on. I'm getting old.lol


https://www.2carpros.com/forum/automotive_pictures/170934_jeep_pressure_regulator_1.jpg

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Saturday, January 30th, 2010 AT 2:48 PM
Tiny
BLAZER911
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Does this go on top of the module that goes in the tank?
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Saturday, January 30th, 2010 AT 5:10 PM
Tiny
JDL
  • MECHANIC
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Yes.


https://www.2carpros.com/forum/automotive_pictures/170934_pressure_regulator_jeep_1.jpg

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Saturday, January 30th, 2010 AT 5:48 PM

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