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|  08-27-2001, 01:37 PM | #1 | 
| Registered Member Join Date: Jul 2001 Location: West Bloomfield, MI 
					Posts: 391
				 |  Please help me, im having problems. i have a 90 GT that idles really rough on start ups when it is warm. when i turn the key it will rev to about 1200 then down to 500 then back again. after a few times doing so it will level off at 700. i have no clue what is happening. i dont get any codes but the smog stuff. i have new IAB, TPS, and when driving it runs and idles fine. only on start ups does it do this. what could be the problem? please help. thanks Adam | 
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|  08-27-2001, 03:26 PM | #2 | 
| Registered Member Join Date: May 2000 Location: Kamloops, BC 
					Posts: 2,875
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|  08-27-2001, 03:31 PM | #3 | 
| Registered Member Join Date: Aug 2001 Location: Miami, Fl, USA 
					Posts: 69
				 |   It might be the TPS... My 2 cents..I had a similar situation and that's was it was. | 
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|  08-27-2001, 03:35 PM | #4 | 
| Registered Member Join Date: Oct 2000 Location: central florida 
					Posts: 45
				 |   clean your iac and reset your computer  | 
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|  08-27-2001, 05:00 PM | #5 | 
| Registered Member Join Date: Jul 2001 Location: West Bloomfield, MI 
					Posts: 391
				 |   i already replaced the iac, and the tps is ok. i am not getting any codes. any other suggestions would be great. Adam | 
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