DTC P1132
DTC: P1132 Oxygen sensor 1 (G3/2): Oxygen sensor integration on "rich mixture" limitActivation requirement CHECK ENGINE lamp:
Two consecutive trips with fault.
Activation of CHECK ENGINE lamp:
At start of next trip.
Test to detect fault:
With oxygen sensor control approved, "oxygen sensor heated" and "exhaust gas hot", the diagnostic module checks if the oxygen sensor integrator remains on the "rich mixture" limit for longer than approximately 5 seconds.