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Re: P2127 code on 2007 Saturn Ion 2.2
Posted to Technical Discussion Forum on 8/21/2020 9 Replies

You have something wrong with APP 1 it would seem. You sure you have your in lay wired in right? Did you string APP 1 or 2 or both? Look at this scan tool shot of mine KOEO closed throttle. [APP closed]

Your APP 1 at closed throttle at the pedal is 1.0V and ... Login to read more.

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