post #1 of Old 12-19-2012, 09:35 AM Thread Starter
chevuki
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1993 ZJ 
 
Join Date: Dec 2012
Location: Eureka
Posts: 1
Stalling rough running Cherokee

My 1993 Cherokee sometimes stalls at low or high speeds and runs rough at idle. I have replaced the crankshaft pos. sensor. I had the check engine light come on for the map and air temp. sensors come on to replaced those also it has a new coil and I checked the computer conection no corosion. Sometimes it stalls when driving and just restarts itself and sometimes it dies when im taking off from a dead stop. I notice most of the time its when im accelerating. Sometimes it has to sit for a few mins. before it will start again.

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post #2 of Old 12-19-2012, 09:43 AM
PolkaPower
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1998 ZJ 
 
Join Date: Aug 2011
Location: The Abyss
Posts: 19,161
Quote:
Originally Posted by chevuki View Post
My 1993 Cherokee sometimes stalls at low or high speeds and runs rough at idle. I have replaced the crankshaft pos. sensor. I had the check engine light come on for the map and air temp. sensors come on to replaced those also it has a new coil and I checked the computer conection no corosion. Sometimes it stalls when driving and just restarts itself and sometimes it dies when im taking off from a dead stop. I notice most of the time its when im accelerating. Sometimes it has to sit for a few mins. before it will start again.
Possible TPS sensor? Clogged cat? Bad 02 sensors? Bad PCM? Weak fuel pump? By the way this is the ZJ forum.
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post #3 of Old 12-19-2012, 11:14 AM
Raimundo
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1993 ZJ 
 
Join Date: Dec 2012
Location: Newark
Posts: 173
Heey. I would do two thinks. First, check the transmission fluid level.(if automatic).you have to check when hot in NEUTRAL.. you'd be surprised how low the fluid level is. If fluid level ok, try this. with the engine in idle, disconnect the throttle position sensor (TPS). JUST unplug it, if idle stays normal,, you have a bad TPS. IT HAPPENED TO ME.
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