Powertrain
generic / SAE
P2432
Secondary Air Injection System Air Flow/Pressure Sensor Circuit Range/Performance
The signal of the SAI air flow or pressure sensor is implausible during operation. The reading does not change as expected when the air pump is commanded.
SystemPowertrain
Typegeneric / SAE
GroupP2
Range / number4 / 32
Possible causes
- Clogged SAI passages high
- SAI sensor drift medium
- Sensor element aged beyond calibration window low
Inspection / repair
- Difficulty: medium
- DIY: possible
- Estimated cost: 120–500 €
- Estimated time: 0.5–2 h
- Component: sai pressure sensor
- Component: secondary air pump
- MIL / check engine light
- emissions-relevant
- drive cycle required
Sources
References
sae:J2012