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P0172
Posted to Technical Discussion Forum on 12/3/2020 34 Replies

This one is a bit of a puzzler. P0172, and the trims are negative, to the tune of about -30%, at idle, and about -17 at 2500, or when driving.

Fuel pressure is normal at 58PSI running.

MAP is at about 1.4V idling, no loads ( a bit high I know), but not hig... Login to read more.

34 Replies Received (View Replies)

 

car Vehicle Data

2010 Chevrolet Malibu LT 2.4L

Engine2.4 L
Trans6-speed Automatic (Electronic)

car Vehicle Data

2010 Chevrolet Malibu LT 2.4L

Engine2.4 L
Trans6-speed Automatic (Electronic)