DTC U1167 Isuzu
EGR Position Sensor Circuit High Input
EGR Position Sensor Circuit High Input
Description
Key on or engine running; system voltage over 10.5v. The PCM detected the EGR Sensor indicated more than 4.89v for 6 seconds.
Cause and Solution
Intermittent conditionEGR Sensor signal is shorted to VREF (5v) supply circuit or to battery voltageEGR Sensor ground circuit is openEGR Sensor signal circuit is openEGR Sensor is damaged (it may have an internal open circuit)EGR solenoid failurePCM has failed
Video Guide
Diagnostic Info
- DTC Code: U1167
- Brand: Isuzu