Code
P2238
Toyota emissions
Courant positif sonde — Rangée 1 Capteur 1 (Toyota)
Toyota : le courant du capteur air/carburant est hors plage.
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Most likely causes
- Capteur air/carburant défectueux
- Câblage
Symptoms you may notice
- Check engine light
- Poor economy
Checks to run
- Test the A/F sensor current
- Check wiring
- Inspect for contamination
Tools you may need
Multimeter
OBD-II scanner
Always diagnose before replacing. Codes share symptoms; confirm the cause with measurements before buying parts.