Powertrain
generic / SAE
P2AE3
Intake Air O2 Sensor Pumping Current Circuit Open Bank 1
The pumping current of the intake air oxygen sensor on bank 1 reports a circuit open condition. Wide-band lambda regulation on the intake side is impaired.
SystemPowertrain
Typegeneric / SAE
GroupP2
Range / numberA / E3
Possible causes
- Open in pump current wire high
- Internal open in pump cell medium
- Pin pushed back out of connector body low
Symptoms
- Check engine light on
- Increased fuel consumption
- Possible rough idle or hesitation
- Failed emissions test
Inspection / repair
- Difficulty: medium
- DIY: shop recommended
- Estimated cost: 150–800 €
- Estimated time: 0.5–3 h
- Component: intake air o2 sensor b1
- Component: wiring harness
- Component: ecm
- MIL / check engine light
- emissions-relevant
- drive cycle required
Sources
References
sae:J2012