Sitting on the side of the road: start, drives, 100feet, stalls - JeepForum.com
 
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post #1 of 6 Old 08-23-2012, 06:25 PM Thread Starter
ahuf
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2000 XJ Cherokee 
 
Join Date: May 2008
Location: Henderson
Posts: 378
Sitting on the side of the road: start, drives, 100feet, stalls

I'm currently sitting on the side of the road. Searching hasn't given me to much info.

Anyways 98 5.9 magnum limited edition ZJ.

So I've been having a miss fire on cylinder 7. Replaced the injectors and it went away. Misfire came back 2 weeks later and I decided to replace the number 7 plug. I replaced the plug and checked the gap.

Started driving and it stalled about 2 miles from my house. Pulled over and tried to start. It seemed like it wasn't getting gas. Let it sit for a few minutes.

Few minutes later tried to start and it started after some gas pedal persuasion. Drop 200 feet and it stall again. Waited and drove another mile or so.

I've replaced the whole ignition system except injector wires.

Was thinking gas pump. Saw a post that involved a new computer. Any ideas?

Iac was replaced not to long ago
Computer reset done also


1998 Jeep Grand Cherokee 5.9 Limited 4x4 :: 46RE, 249, MSD ignition, PO e-fan conversion to a different e-fan, 3.73 gears
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post #2 of 6 Old 08-23-2012, 07:20 PM
newfieZJ
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1995 ZJ 
 
Join Date: May 2008
Posts: 6,557
Checking the fuel pressure is a definite plus , always nice to know where things stand .

Assuming you have a new coil on there , I would suspect the CPS .

Bumped for more replies
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post #3 of 6 Old 08-23-2012, 07:20 PM
SKorch630
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1997 ZJ 
 
Join Date: Sep 2009
Location: 60134
Posts: 363
Whats your fuel pump/filter situation look like? I had a mishap in my audi last winter @ -20* F where my fuel pump and filter was clogged. Start > drive > stall > start > drive 100 ft > stall. Etc. Check those.
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post #4 of 6 Old 08-24-2012, 01:42 AM Thread Starter
ahuf
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2000 XJ Cherokee 
 
Join Date: May 2008
Location: Henderson
Posts: 378
I'll be testing the fuel pressure here sometime today but I came across an interesting thread.

http://www.jeepforum.com/forum/f13/i...rokee-1112078/

The OP has the same issues I'm having. It rain the day before and it was still a little wet/humid out. Stalling, CEL on and off. I'll play with the PCM connector tomorrow as well and see what I come up with.

more to come

1998 Jeep Grand Cherokee 5.9 Limited 4x4 :: 46RE, 249, MSD ignition, PO e-fan conversion to a different e-fan, 3.73 gears
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post #5 of 6 Old 08-24-2012, 02:18 AM
dean477
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1998 ZJ 
 
Join Date: Aug 2010
Location: Los Angeles
Posts: 192
I just won the battle with this, Pcm connector for me. Couldnt find a pattern in why it was stalling. The first time i checked the connectors it seemed to check out so i crossed that off the list. Read somebody's post on here recently that said 12 things to do/check when your zj stalled and decided to check them again....sure enough it stalled out after a few wiggles.

Test the sensor before replacing it

Best of luck

EDIT http://www.jeepforum.com/forum/f13/1...talls-1407423/
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post #6 of 6 Old 09-04-2012, 06:42 PM Thread Starter
ahuf
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2000 XJ Cherokee 
 
Join Date: May 2008
Location: Henderson
Posts: 378
I got this fixed awhile ago but I wanted to add more information to this thread.

After playing around driving it on the highway. I got a code to stick. I had my code reader already hooked up and it came up with a P0505.

Possible causes were IAC or PCM.

Luckily for me it was the IAC. Went and grabbed a rebranded Wells IAC from autozone while I wait for a mopar IAC to come in the mail.

1998 Jeep Grand Cherokee 5.9 Limited 4x4 :: 46RE, 249, MSD ignition, PO e-fan conversion to a different e-fan, 3.73 gears
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