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International Automotive Technicians Network
Re: P2127 code on 2007 Saturn Ion 2.2
Posted to Technical Discussion Forum on 8/21/2020 68 Replies

Bradley, here are the readings as measured on the lines coming of of the PCM.

APP2 closed throttle 4.48 volts meter, 4.47 volts scan tool

full throttle 2.85 volts meter, 2.84 volts scan tool

APP1 closed throttle 1.01 volt meter, 1.0 volt scan tool

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