OBD-II code · Powertrain (generic, extended)
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.
Is it safe to drive with P2432?
Usually safe to drive in the short term. Get it diagnosed when convenient, sooner if the car drives differently.
Common causes
- Most likelyClogged SAI passages
- PossibleSAI sensor drift
- Less likelySensor element aged beyond calibration window
Repair at a glance
- Difficulty
- Medium
- DIY friendly
- Often, with basic tools
- Typical labour
- 0.5–2 h
- Emissions test
- Likely to fail
- After the fix
- A drive cycle is needed before the light stays off
- Parts involved
- Sai Pressure Sensor, Secondary Air Pump
Related codes
- P242FParticulate Filter Restriction Ash Accumulation Bank 1
- P2430AIR System Air Flow or Pressure Sensor Circuit Bank 1
- P2431Secondary Air Injection System Air Flow/Pressure Sensor Circuit
- P2433AIR System Air Flow or Pressure Sensor Circuit High Bank 1
- P2434AIR System Air Flow or Pressure Sensor Circuit Intermittent or Erratic Bank 1
- P2435AIR System Air Flow or Pressure Sensor Circuit Bank 2
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.