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P1004 ISC outlier

mattymac

Well-known member
Lifetime Membership
Apr 12, 2004
8,819
998
113
Sutter Ca.
Just put together a supercharged alpha (2020) that was brand new. Sled ran perfect for the first 100 miles then it started throwing this code "idle speed control outlier" Sled runs fine but the code will not clear, I cant find any info on it on the web and was wondering if anyone here has had this issue and what was the remedy for it? TIA!!!
 

Old & slow

Well-known member
Lifetime Membership
Feb 18, 2017
727
393
63
Alberta
Check the connection at your idle speed motor. Maybe it was locked in from the install.
 
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