Just bought a 98 Grand Cherokee 4.0 2wd need advise - JeepForum.com

 
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post #1 of 5 Old 08-16-2009, 02:32 PM Thread Starter
89cherokeeJP
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1998 ZJ 
 
Join Date: Mar 2007
Location: Clinton,MS
Posts: 209
Just bought a 98 Grand Cherokee 4.0 2wd need advise

when i first crank it up it has to run about 30 sec til it will run normal if i don't it will spit and sputter,then when i start driving i have to feather press the pedal or it will bog down and it takes forever to get to 70 and lastly when i start to slow down the pedal stick a little and when i'm just about stopped something pop and soound like a spring popping ?

so if you could help with anything let me know
thanks


1989 Cherokee 3inch RoughCounrty 31 kumho's M/T
1998 Grand cherokee Jet stage 2 chipped and aero exhuast
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post #2 of 5 Old 08-16-2009, 03:19 PM
elmer_fud
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1995 ZJ 
 
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Location: colorado
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how is the air filter?

check and clean the IAC valve

Brian
95 ZJ, 5.2 V8,160,000 miles
Colorado Jeep Club member Pi
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I am not one to be changing lanes at 70 mph on a lifted truck on 33's, but since I am in Miami, I have to be prepared for the continuous influx of new drivers whose previous ride was a bicycle with wooden wheels.
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badger, badger, badger, badger, badger, badger, badger, badger, badger, badger, badger, Mushroom!!! :D
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Or just tie a 12 lb fish to a one foot pipe.
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post #3 of 5 Old 08-16-2009, 03:28 PM Thread Starter
89cherokeeJP
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1998 ZJ 
 
Join Date: Mar 2007
Location: Clinton,MS
Posts: 209
I've replaced the air filter and replaced the TPS and cleaned the IAC valve

1989 Cherokee 3inch RoughCounrty 31 kumho's M/T
1998 Grand cherokee Jet stage 2 chipped and aero exhuast
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post #4 of 5 Old 08-16-2009, 09:48 PM Thread Starter
89cherokeeJP
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1998 ZJ 
 
Join Date: Mar 2007
Location: Clinton,MS
Posts: 209
Bump
still need some extra input

1989 Cherokee 3inch RoughCounrty 31 kumho's M/T
1998 Grand cherokee Jet stage 2 chipped and aero exhuast
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post #5 of 5 Old 08-16-2009, 09:51 PM
crazydude2500
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1993 ZJ 
 
Join Date: Jun 2008
Location: pa
Posts: 646
cleaned out the TB?? look around the tb...maybe something is rubbing the cable or spring??

pat

green lifted 4.5 w/32's custom front bumper 5.2L
97 xj stock blue tow hooks F&R 4.0L
2004 dodge neon SRT-4
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