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Re: P2127 code on 2007 Saturn Ion 2.2
Posted to Technical Discussion Forum on 8/21/2020 1 Reply

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Interesting, I just looked up a 2015 Explorer APP Sensor circuit and see that the Supplied Voltage Reference is labeled as APPVREF1 and APPVREF2. The Supplied Voltage Ground is labeled as APPRTN1 and... Login to read more.

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