Code
P1237
VW fuel injection
Injecteur cylindre 2 — circuit ouvert (VW)
Le circuit de l’injecteur du cylindre 2 est ouvert.
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Most likely causes
- Injecteur défectueux
- Câblage
Symptoms you may notice
- Misfire on cylinder 2
- Rough idle
- Check engine light
Checks to run
- Test injector resistance
- Check wiring
- Swap injector
Tools you may need
Multimeter
Noid light
Always diagnose before replacing. Codes share symptoms; confirm the cause with measurements before buying parts.