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Signal return and 'low reference' circuit testing
Posted to Technical Theory Forum on 7/12/2023 26 Replies

Is actually a 2022 but can't choose it. Anyway, this question keeps popping up and it did again on this one while testing for P146D. In the chart for this purge pump pressure sensor, after obtaining 0 return volts on the scan tool pid (normal 1.1v), we were gu... Login to read more.

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car Vehicle Data

2021 Chevrolet Silverado 1500 LT 2.7L

VIN 1GCPYJEK1N
Engine2.7 L
Trans8-speed Automatic (Electronic)

car Vehicle Data

2021 Chevrolet Silverado 1500 LT 2.7L

VIN 1GCPYJEK1N
Engine2.7 L
Trans8-speed Automatic (Electronic)