What does code P1240 mean on Volkswagen vehicles?
The ECU detects an open circuit in the fuel injector circuit for cylinder 4.
OBD-II Code Volkswagen
P1240 — Volkswagen — Injector Circuit Open Cylinder 4
The ECU detects an open circuit in the fuel injector circuit for cylinder 4.
Common symptoms
- Loss of power
- rough engine operation
Possible causes
- Cut wiring
- faulty injector connection
Initial recommendation
Inspect wiring harness and restore circuit continuity.
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
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