|Trouble Code||Fault Location||Probable Cause|
|P0454||Evaporative emission (EVAP) pressure sensor circuit intermittent||Wiring, poor connection, EVAP pressure sensor, ECM|
We recommend Torque Pro
BAT Team Discussions for P0454
- 08' Chevy Avalanche check engine light on with decreased gas milage
More detailed information... DTC P1174 or P1175 Diagnostic Instructions - Perform the Diagnostic System Check - Vehicle prior to using this diagnostic procedure. - Review Strategy Based Diagnosis for an overview of the diagnostic approach. - Diagnostic Procedure Instructions provides an ...