|Trouble Code||Fault Location||Probable Cause|
|P2431||Secondary air injection (AIR) system, air flow/ pressure sensor, bank 1 - range/performance problem||Wiring, air flow/pressure sensor|
We recommend Torque Pro
BAT Team Discussions for P2431
- 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 ...