P0496
Evaporative emission system high purge flow
P0494
Fan speed low
P0493
Fan overspeed (clutch locked)
P0492
Secondary air injection system insufficient flow Bank 2
P0491
Secondary air injection system insufficient flow Bank 1
P0490
Exhaust gas recirculation control - circuit high
P0489
Exhaust gas recirculation control - circuit low
P0488
Exhaust gas recirculation throttle position control range/pe…
P0487
Exhaust gas recirculation throttle position control circuit
P0486
Exhaust gas recirculation sensor B circuit