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-   -   uneven idle (https://www.corvetteforums.com/forum/general-tech-9/uneven-idle-12200/)

doc18015 08-18-2009 02:16 PM

uneven idle
 
Hello, my 1985 auto has an idle that fluctuates between 530 and 710 ;usually comes down slowly and settles around 530 to 550 or so. Is there something to adjust? The car has had a full tune up w/only 38,xxx miles on the odometer.

I have cleaned the MAF unit, new air cleaner, plugs, cap, and wires. Runs very well other than erratic idle and aver. 18 mpg w/lead foot driving it. Any suggestions? Thanks!

Bistinaws 08-30-2009 01:53 PM

uneven idle
 
I had a disgustingly rough idle, make sure the plugs and order of the wires on the distributor are all proper as mis-firing in the wrong order is never a good thing.

Another thing Id check for is the condition of the MAF sensor.

Also, any idea how old your ignition coils are?
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