DTC P1149/17557: Oxygen Sensor Control Bank 1 UNPLAUSIBLE Control Value Or DTC P1150/17558: Oxygen Sensor Control Bank 2 UNPLAUSIBLE Control
If scan tool displays DTC P1149/17557 or P1150/17558 perform following tests:
- Check oxygen sensor control and adaptation values. For testing procedure, go to DTC P1111/17519 OR P1112/17520 or DTC P1147/17555 OR DTC P1148/17556 .
- Check fuel pressure. See FUEL SYSTEM in SYSTEM & COMPONENT TESTING article.
- Check air intake system for leaks (false air).