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Unread 08-14-2009, 01:10 AM   #1
spencerk73
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1997 ZJ 
 
Join Date: Jul 2008
Location: OP, KS
Posts: 151
2 odd reving problems?

Hi,

I have 2 odd problem on my 97 5.2 zj.
Ok here they are, In the year and a half I've owned my jeep, I've noticed that if I rev it, it will rev up then stick around 1500 rpm for maybe 1-2 seconds then return to normal.

Problemo numereo dos: When I first start her up and start driving, when accelerating the engine will sound louder than usual, until I get it over 2000 rpm then it will sound normal for the rest of the trip

These aren't affecting performance, but I want to see if I can fix them, and want to see if they could lead to something more serious.

Thanks to everyone who replies, I just want to get an idea of what the hell is going on lol.

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Unread 08-14-2009, 02:16 AM   #2
WhiteOut
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1998 ZJ 
 
Join Date: Dec 2007
Posts: 8,014
Are you getting a CEL or are there any codes? To check put the key in the ignition and go ON OFF ON OFF ON OFF ON OFF ON, if there are any codes stored it will pop up. Its possible it might be the TPS getting a little old.
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Unread 08-14-2009, 12:44 PM   #3
spencerk73
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1997 ZJ 
 
Join Date: Jul 2008
Location: OP, KS
Posts: 151
Did it, the odometer just said 55, which I think just means the end of the codes?
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Unread 08-14-2009, 02:57 PM   #4
wickerham
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1993 ZJ 
 
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x2 on tps. cleaned my real good with intake cleaner a idles nice.
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Unread 08-17-2009, 08:13 PM   #5
spencerk73
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1997 ZJ 
 
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Location: OP, KS
Posts: 151
thanks, i'll give it a try
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