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Unread 09-18-2013, 06:13 PM   #136
ZeeJay1997
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1997 ZJ 
 
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Quote:
Originally Posted by AnotherRedZj View Post
this thread was done so well and long ago with so many hits and still aint a sticky? wtf ive been around for a lil bit so luckily had seen it and could find it when i needed it.....(today), but newbies should be able to find this right away!

great writup zee. im working my way through my a.d.d. to get down the list but i think i need not go much farther then #1 so far!

COME ON MODS

STICKY!!!
Thanks for the kudos. This thread was added to the FAQ a month or so ago. It's ironic that I need to run the list myself, I've been having misfires. I guess I need to practice what I preach.

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Unread 09-18-2013, 06:30 PM   #137
AnotherRedZj
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Quote:
Originally Posted by ZeeJay1997 View Post
Thanks for the kudos. This thread was added to the FAQ a month or so ago. It's ironic that I need to run the list myself, I've been having misfires. I guess I need to practice what I preach.
foot in mouth! guess i missed it while i was in there a cpl days ago.

damn a.d.d. again
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Unread 09-19-2013, 12:11 AM   #138
Oldfrog
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1997 ZJ 
 
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One other little tidbit that I may have failed to mention...and hope it helps someone else down the road..

I think I had bosch o2 sensors in mine before I swapped them the 2nd time. Not saying for sure that they were bad or shorted...because I simply replaced them without testing the sensors themselves. It would be ironic if shorted o2 sensors contributed to early PCM failure....but now I'll never know. Over 200 miles with the new pcm and not a single hiccup.
( and yes....my connector tabs are all broken off too...because some dumbazz
<<<<<<<<<<<<<<< did it.)
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Words of wisdom, Posted by Zeejay:
"..it's not air, it is the opposite of air... suckage so to speak."

Stalling? Work through Zeejay's list
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Unread 09-19-2013, 02:00 PM   #139
AnotherRedZj
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Quote:
Originally Posted by Oldfrog View Post
One other little tidbit that I may have failed to mention...and hope it helps someone else down the road..

I think I had bosch o2 sensors in mine before I swapped them the 2nd time. Not saying for sure that they were bad or sorted...because I simply replaced them without testing the sensors themselves. It would be ironic if shorted o2 sensors contributed to early PCM failure....but now I'll never know. Over 200 miles with the new pcm and not a single hiccup.
( and yes....my connector tabs are all broken off too...because some dumbazz
<<<<<<<<<<<<<<< did it.)
my O2 harness melted to my exhaust.....think it may have killed my pcm! Still diagnosing though.

If so where would you recomend getting a new pcm from? And what should I expect to give for one? I looked a lil but prices are all over the place.
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Unread 09-19-2013, 06:22 PM   #140
ZeeJay1997
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Quote:
Originally Posted by AnotherRedZj View Post
my O2 harness melted to my exhaust.....think it may have killed my pcm!
Be sure all the wires are separated.
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Unread 09-19-2013, 06:37 PM   #141
AnotherRedZj
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Quote:
Originally Posted by ZeeJay1997 View Post

Be sure all the wires are separated.
None of the wires themselves melted together, but the harness itself was squarely resting on the exhaust. Melted it enough that I had to break it apart. One wire was melted all the way through and exposed bare wire....wich WAS in contact with the exhaust.
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Unread 09-19-2013, 07:29 PM   #142
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Don't forget to mention that you get no CEL when you turn the key to on position, and your code reader won't connect to the PCM. Your PCM number is 05010384AB. On a side note, if he has to get another PCM for his Jeep; will he have to have it programmed by the dealer with his VIN?
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Unread 09-19-2013, 07:42 PM   #143
ZeeJay1997
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will he have to have it programmed by the dealer with his VIN?
No, and neither will you
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Unread 09-20-2013, 01:29 AM   #144
Oldfrog
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My code reader would connect to the bad pcm....and like zeejay said, the 97 needs no additional programming prior to installation....not even mileage nor VIN.
When the downstream o2 sensor wires short, ( a common issue) they will most likely blow a 15 amp fuse in the PDC. Dont know what happens if the sensor develops a high resistance internal short.
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Words of wisdom, Posted by Zeejay:
"..it's not air, it is the opposite of air... suckage so to speak."

Stalling? Work through Zeejay's list
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Unread 09-20-2013, 04:42 PM   #145
Corrupt
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Quote:
Originally Posted by ZeeJay1997 View Post
No, and neither will you
I don't plan on having any issues with my PCM, but if I do, I'll keep that in mind.
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Unread 09-20-2013, 05:05 PM   #146
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The words "plan" and "jeep" or "pcm" often do not travel well in the same sentence,lol.
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Unread 09-20-2013, 05:32 PM   #147
Corrupt
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Quote:
Originally Posted by coralman View Post
The words "plan" and "jeep" or "pcm" often do not travel well in the same sentence,lol.
But issues, PCM, and Jeep go pretty good in the same sentence, Is that what you're saying?
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Unread 09-21-2013, 01:55 AM   #148
cgcarpenter
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Finally got a code besides p0351.
Got P0320
So I'm going to replace my Crank position sensor. And if that doesn't work then PCM here I come.

Which crank sensor should I buy? Link would be great.
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Unread 09-21-2013, 03:00 AM   #149
Oldfrog
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Why not test the crank sensor before laying out $80+ on it?

If it's bad, Mopar is the way to go.
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Cajun Recipes and Fishing tips

Words of wisdom, Posted by Zeejay:
"..it's not air, it is the opposite of air... suckage so to speak."

Stalling? Work through Zeejay's list
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Unread 09-21-2013, 03:06 AM   #150
Oldfrog
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Quote:
Originally Posted by Corrupt View Post
But issues, PCM, and Jeep go pretty good in the same sentence, Is that what you're saying?
Now you've done it. You may have just jinxed your PCM.
They all fail eventually. I hope yours isnt next.
Poor quality is poor quality. Nothing we can do about it if we want to drive a ZJ.

If someone would ever come along and redesign the sensors, wiring and PCMs for the 96-98 models, I'd be his first customer....but it's not likely to happen 17 years later..

I have been thinking about mating an old chevy distributor, points, coil and carb with the 4.0, though.
( after I convert it to natural gas and solve the electronic tranny issue)
__________________
Cajun Recipes and Fishing tips

Words of wisdom, Posted by Zeejay:
"..it's not air, it is the opposite of air... suckage so to speak."

Stalling? Work through Zeejay's list
Oldfrog is offline   Reply With Quote
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