P0340: Sensor de posición del árbol de levas A — fallo de circuito
Sensor de posición del árbol de levas A — fallo de circuito: Missing or erratic pulse train from Bank 1 intake camshaft Hall-effect or magnetoresistive sensor.
| Trouble Code (DTC) | P0340 |
|---|---|
| Official SAE Definition | Sensor de posición del árbol de levas A — fallo de circuito |
| Vehicle Subsystem | powertrain |
| Driving Severity | HIGH |
Observable Symptoms
- Extended cranking before engine starts
- Engine stalls or enters limp mode
- No-start condition
Most Probable Root Causes
- Failed camshaft position sensor
- Damaged sensor connector or oil intrusion in harness
- Stretched timing chain or jumped tooth
Step-by-Step Diagnostic Procedure
- Inspect camshaft sensor connector for oil wicking or broken wires
- Compare crank (CKP) and cam (CMP) waveforms or replace faulty Hall sensor