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Need some input Have a 2000Grand Cherokee 2wd 6 cyc... seems when the weather gets hot say above 90 this thing starts to shut down first runs bad then dies then will not start. Tries to but doesn't.. No codes are showing up have replaced the cam sensor.. This thing will run great for 2 weeks then boom same thing. The last time took to the local shop no codes but said the plug wires were bad under the coil pack so he put new ones on ran great then yesterday weather got hot again around 92 and the same thing starts again. Let it set and early this morning Temp. outside was 78 started right up no miss or anything????? Help me if ya can thanks for any input....
Need some input Have a 2000Grand Cherokee 2wd 6 cyc... seems when the weather gets hot say above 90 this thing starts to shut down first runs bad then dies then will not start. Tries to but doesn't.. No codes are showing up have replaced the cam sensor.. This thing will run great for 2 weeks then boom same thing. The last time took to the local shop no codes but said the plug wires were bad under the coil pack so he put new ones on ran great then yesterday weather got hot again around 92 and the same thing starts again. Let it set and early this morning Temp. outside was 78 started right up no miss or anything????? Help me if ya can thanks for any input....

Can someone help me with a part number? Need the part number for the sensor on the drier/receiver of the ac system. This is a 1996 Cherokee with the 4.0l. The parts counter guy had nothing which is frustrating.
::CF Moderator::
Joined: Aug 2011
Posts: 43,971
Likes: 1,578
From: Prescott, Az
Year: 1990
Model: Cherokee (XJ)
Engine: 4.0
Senior Member
Joined: Feb 2014
Posts: 854
Likes: 1
From: Minnesota
Year: 1996
Model: Cherokee
Engine: 4.0
Hi, I have a 1990 Jeep Cherokee Laredo 4.0L with no fuel getting to the rail. I flooded the Intake out with mud last week and had to clean out the air box and intake. I took out all the spark plugs and turned it over to get any water residue out. I've replaced the fuel pump and fuel filter and checked all the lines for cracked or pinched with no luck. I've checked to make sure new pump is working right and it seems to be making the usual noise but with no luck getting fuel to the rail. I'm at a loss for what it could be.
Herp Derp Jerp

Joined: Nov 2011
Posts: 18,251
Likes: 17
From: Parham, ON
Year: 1999
Model: Cherokee
Engine: 4.0L OBD-II
Hi, I have a 1990 Jeep Cherokee Laredo 4.0L with no fuel getting to the rail. I flooded the Intake out with mud last week and had to clean out the air box and intake. I took out all the spark plugs and turned it over to get any water residue out. I've replaced the fuel pump and fuel filter and checked all the lines for cracked or pinched with no luck. I've checked to make sure new pump is working right and it seems to be making the usual noise but with no luck getting fuel to the rail. I'm at a loss for what it could be.
CF Veteran
Joined: Apr 2011
Posts: 4,825
Likes: 2
From: Indianapolis
Year: '99 and '91
Model: Cherokee
Is that thing supposed to get pretty hot while its working? The one on my 91 was the other day and I never noticed it before.




