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Go Back JeepForum.com > Models > Jeep Grand Cherokee & Commander Forums > ZJ Grand Cherokee Forum > Another computer failure/ecm/pcm? I give up on this pos.

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Unread 08-02-2013, 06:46 PM   #1
jeepsgonewild
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Join Date: Jul 2009
Location: tampa, fl
Posts: 88
Another computer failure/ecm/pcm? I give up on this pos.

I swear these computers are a scam with their weak soldering connections or whatever it is. I replaced last one 2 years ago.

The other rpm drop was the CPS. I have no codes either. I have no yet concluded it as a computer failure but symptoms are:

Glitching out like crazy while driving, rpm's drop in and out like mad crazy.

Idle's perfectly fine with AC on. I can rev with no problems. It is until you actually start moving is when it drops rpm's, sometimes dieing and sometimes not.

And the other issue is when the car has died, all the guages will not register. No fuel readings, no battery readings, nothing. All electrical is fine. So I must wait for the computer to reset or whatever.

Note: sometimes it starts back up just fine, other times the guages will not register so I know it's a no go at that point until they get readings.

All I know is I am done with this Jeep and any other Jeep's FOREVER.

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Unread 08-02-2013, 06:54 PM   #2
ZeeJay1997
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1997 ZJ 
 
Join Date: Dec 2008
Location: Sweet Home, Alabama
Posts: 6,572
When it won't crank, does the CEL come on for 3 seconds when the switch is in the ON position?
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Unread 08-02-2013, 07:22 PM   #3
jeepsgonewild
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Join Date: Jul 2009
Location: tampa, fl
Posts: 88
Quote:
Originally Posted by ZeeJay1997 View Post
When it won't crank, does the CEL come on for 3 seconds when the switch is in the ON position?
I can't say at the moment since I'm not near my vehicle.
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