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CF Veteran
Joined: Sep 2010
Posts: 12,692
Likes: 6
From: Mercer County, NJ
Year: 2001
Model: Cherokee
Engine: 4.0L I6 HO
I suspect you're thinking it may be a thermostat issue, but they almost always fail into the open or closed position. And even it it is the thermostat, I wouldn't expect it to move so drastically on a repeated basis. It's possible, but I think the sending unit is more likely.
I'm am leaning towards and sticking thermostat. Had that issue on my 01 a few times, with an old Mopar stat, and it would drop til the second line and a few minutes later slowly rise back to 210. Never did it more than once in a drive so I wanna get slightly more info for poster. And I thought in the 00 the temp sensor is on the t-stat housing
I suspect you're thinking it may be a thermostat issue, but they almost always fail into the open or closed position. And even it it is the thermostat, I wouldn't expect it to move so drastically on a repeated basis. It's possible, but I think the sending unit is more likely.
I'm am leaning towards and sticking thermostat. Had that issue on my 01 a few times, with an old Mopar stat, and it would drop til the second line and a few minutes later slowly rise back to 210. Never did it more than once in a drive so I wanna get slightly more info for poster. And I thought in the 00 the temp sensor is on the t-stat housing
CF Veteran
Joined: Sep 2010
Posts: 12,692
Likes: 6
From: Mercer County, NJ
Year: 2001
Model: Cherokee
Engine: 4.0L I6 HO
Moderator of Jeeps
Joined: Jul 2011
Posts: 21,029
Likes: 3
From: Frederick, MD from Cleveland, OH
Year: 1993 YJ Wrangler
Engine: 4.0 I6
****, you're right.
Joe, I'm sorry I misled you. The info I gave is relevant to older models, but yours has the computer info AND the gauge info coming from the sender on the thermostat. Here's a link to the Advance Auto page: http://bit.ly/1lY5Ktt
Thanks, Nik
Joe, I'm sorry I misled you. The info I gave is relevant to older models, but yours has the computer info AND the gauge info coming from the sender on the thermostat. Here's a link to the Advance Auto page: http://bit.ly/1lY5Ktt
Thanks, Nik
Herp Derp Jerp

Joined: Nov 2011
Posts: 18,251
Likes: 17
From: Parham, ON
Year: 1999
Model: Cherokee
Engine: 4.0L OBD-II
No, none of them will work. 1997+ only has a single temperature sensor; it's located in the thermostat housing and feeds the PCM. Cluster gauge is driven by the PCM.
This is why posting your year is important lol
That large of a swing is still probably that sensor, though. You'll want to do a ground test (whip out your multimeter and measure between battery negative and the wires on the ECT sensor) before shelling out for one, though, as wiring problems are, um, not unheard of on Jeeps. OE Mopar part number is 56027873, Standard part number TX81.
This is why posting your year is important lol
That large of a swing is still probably that sensor, though. You'll want to do a ground test (whip out your multimeter and measure between battery negative and the wires on the ECT sensor) before shelling out for one, though, as wiring problems are, um, not unheard of on Jeeps. OE Mopar part number is 56027873, Standard part number TX81.
****, you're right.
Joe, I'm sorry I misled you. The info I gave is relevant to older models, but yours has the computer info AND the gauge info coming from the sender on the thermostat. Here's a link to the Advance Auto page: http://bit.ly/1lY5Ktt
Thanks, Nik
Joe, I'm sorry I misled you. The info I gave is relevant to older models, but yours has the computer info AND the gauge info coming from the sender on the thermostat. Here's a link to the Advance Auto page: http://bit.ly/1lY5Ktt
Thanks, Nik
No, none of them will work. 1997+ only has a single temperature sensor; it's located in the thermostat housing and feeds the PCM. Cluster gauge is driven by the PCM.
This is why posting your year is important lol
That large of a swing is still probably that sensor, though. You'll want to do a ground test (whip out your multimeter and measure between battery negative and the wires on the ECT sensor) before shelling out for one, though, as wiring problems are, um, not unheard of on Jeeps. OE Mopar part number is 56027873, Standard part number TX81.
This is why posting your year is important lol
That large of a swing is still probably that sensor, though. You'll want to do a ground test (whip out your multimeter and measure between battery negative and the wires on the ECT sensor) before shelling out for one, though, as wiring problems are, um, not unheard of on Jeeps. OE Mopar part number is 56027873, Standard part number TX81.
CF Veteran
Joined: Sep 2010
Posts: 12,692
Likes: 6
From: Mercer County, NJ
Year: 2001
Model: Cherokee
Engine: 4.0L I6 HO
This happens once in a while. Its can be a sign of the apocalypse. OP, it is important to post all the info about your jeep in your original question. This goes for all posters. We want to help everyone we can but we need help from people first with info.
Sorry team. Just bought a multimeter. gonna have to learn how to wield it once it gets delivered
Moderator of Jeeps
Joined: Jul 2011
Posts: 21,029
Likes: 3
From: Frederick, MD from Cleveland, OH
Year: 1993 YJ Wrangler
Engine: 4.0 I6
Moderator of Jeeps
Joined: Jul 2011
Posts: 21,029
Likes: 3
From: Frederick, MD from Cleveland, OH
Year: 1993 YJ Wrangler
Engine: 4.0 I6
Senior Member
Joined: Jan 2011
Posts: 586
Likes: 0
From: northside chicago
Year: 1997
Model: Cherokee
I need to replace the tie rod ends on the actual tie rod. Are those called inner or outer? I already replaced the tie rod end that goes connected to the pitman arm but I forgot which one I ordered when I bought it.





