Mike's Workshop Manuals: Service manuals for every vehicle

Home >> Hummer >> 2009 >> H3 Base, Standard >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls And Fuel - 3.7L - DTC P0324 To DTC P0446 >> DTC P0442 >> Conditions for Setting the DTC

Conditions for Setting the DTC

The ECM detects a pressure change that is less than a calibrated amount.
Several tests must be completed to report a Fail with up to 17 hours between tests.

scientia non olet · About Mike's Workshop Manuals