94 ZJ stalls and rough idle - JeepForum.com
 
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post #1 of 3 Old 12-26-2013, 09:04 AM Thread Starter
BMF2005
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1994 ZJ 
 
Join Date: Dec 2013
Location: St.Cloud
Posts: 1
94 ZJ stalls and rough idle

Ok everyone I'm new to the site and have done a lot of reading online about what seems to be a common issue. I bought a 5.2L, 94 ZJ at auction for 750 bucks! But now it won't idle for **it, It starts fine and will drive great but when I pull up to a light or stop sign it will stall or drop down to 200RPM. The new "problem" is it will idle on start and when you shift to D or R it will instantlly kill. I think its the CPS but want to be sure. I have cleaned the injectors, cleaned throttle body and replaced the IACV. Please help

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post #2 of 3 Old 12-26-2013, 09:48 AM
zj97ltd
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1993 ZJ 
 
Join Date: Apr 2013
Location: Cape Coral
Posts: 1,078
If it only does it in gear it could be transmission related. Torque converter not slipping enough maybe.
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post #3 of 3 Old 12-26-2013, 10:00 AM
PolkaPower
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1998 ZJ 
 
Join Date: Aug 2011
Location: The Abyss
Posts: 19,248
When my TPS sensor was on it's way out it behaved the same way you are describing but it never actually stalled. When I would stop at a light it would bog down to very low RPM's. On the highway if I gave it throttle to pass it would cut off and bog down as well. I had to lightly give it gas to get it going steady again.
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rough idle , stalling at stop

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