Idle problem when slowing down. - Team Camaro Tech
Troubleshooting Diagnosing problems done here.

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post #1 of 4 (permalink) Old Jun 6th, 00, 06:56 PM Thread Starter
Join Date: Jun 2000
Location: Albion,NY.U.S.
Posts: 6
Well I have a 91' camaro rs 3.1L...My problem is when I am slowing down at a intersection my engine rpm's flare up to about 1500-2500 about three times and if it doesnt stall it drops to 500-600 and stays there...I just replaced the idle air control valve since my local mechanic said that was the problem..Wrong..Still does the same thing..Before I go and start blowing any more money I thought it would be a good idea to get a little help..The car has a hypertech thermomaster chip and a powerstat..Also I just gave it a fresh tune up..Plugs,wires,cap,rotor,and adj. the timing....I would appreciate any help.. By the way anyone like to buy a nice Alpine Stereo...Custom built for a 91'
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post #2 of 4 (permalink) Old Jun 8th, 00, 01:17 AM
Join Date: May 2000
Location: AZ
Posts: 16
Have you checked to see if there are any trouble codes stored in ECM's memory?

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post #3 of 4 (permalink) Old Jun 8th, 00, 07:40 AM Thread Starter
Join Date: Jun 2000
Location: Albion,NY.U.S.
Posts: 6
Yes...The engine light never came on but I still checked for the codes anyway...It gave me only code 12..It started acting funny when I took it out of storage...The firt thing that went wrong was the coolent temp sensor, easy fix..Then came the idle problem.
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post #4 of 4 (permalink) Old Jun 8th, 00, 08:23 AM
Join Date: Jun 1999
Posts: 460
Was the battery disconnected at all? I realize you didn't get any trouble codes but the battery should still be disconnected when replacing sensors so the computer can reset.
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