What does code P1432 mean on Volkswagen vehicles?
The ECU detects that the secondary air injection (SAI) valve remains open when it should be closed.
OBD-II Code Volkswagen
P1432 — Volkswagen — Secondary Air Injection Valve Stuck Open
The ECU detects that the secondary air injection (SAI) valve remains open when it should be closed.
Common symptoms
- Unstable idle
- drivability issues
Possible causes
- Stuck or jammed SAI valve
- carbon buildup
Initial recommendation
Inspect the secondary air injection valve for sticking and clean or replace as necessary.
Safety notice
This information is for guidance only. Brand-specific codes may vary by model, year, engine, transmission and vehicle configuration. It does not replace a physical inspection or diagnosis by a qualified mechanic. If the vehicle is unsafe to operate, avoid driving it and seek professional inspection.
Analyze this code with MecaOBD
Use the app to combine Volkswagen code P1432 with your vehicle's actual symptoms for more complete diagnostic guidance.
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