4.0 Stutter on Tach
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CF Veteran
Joined: Apr 2011
Posts: 14,553
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From: Carrollton, GA
Year: 1994
Model: Cherokee
Engine: Inline 6 4.0L High Output
From what I can tell I don't think one of my valves is burnt but idk without pulling the head. How can I teat my sensors to see if they are fubar?
CF Veteran
Joined: Jun 2011
Posts: 2,858
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From: Nor-Cal
Year: 1990
Model: Cherokee
Engine: The venerable 4.0
Originally Posted by 94XjSport94
From what I can tell I don't think one of my valves is burnt but idk without pulling the head. How can I teat my sensors to see if they are fubar?
Thread Starter
CF Veteran
Joined: Apr 2011
Posts: 14,553
Likes: 1
From: Carrollton, GA
Year: 1994
Model: Cherokee
Engine: Inline 6 4.0L High Output
I keep getting the CEL and i get code 24 which just tells me that the TPS sensor voltage is too high or low. I replaced the TPS today and changed my oil and still have this problem. Anyone got any ideas or suggestion stories or anything? Really getting tired of this BS
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Joined: Aug 2011
Posts: 26
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From: Chino Valley, AZ
Year: 1994
Model: Cherokee
Engine: 4.0
All I can contribute is that a couple of years ago I would get this hesitation and my tach would drop to nothing and then just spring back. Turned out to be my CPS. Never had the problem again. But I didn't have a CEL. Same as yours - '94 sport.
Thread Starter
CF Veteran
Joined: Apr 2011
Posts: 14,553
Likes: 1
From: Carrollton, GA
Year: 1994
Model: Cherokee
Engine: Inline 6 4.0L High Output
It happened again today even with a new TPS sensor (which is the code it gives me) and it stalled in traffic today twice for the first time. Im pretty sure its an Airflow issue but i cant narrow it down tomorrow im going to clean the MAP sensor and the motor for the idle but im pretty much at the end of what i know to do so anything else please
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