P0340Severity: High
P0340 – Camshaft Position Sensor Circuit
The camshaft position sensor signal is faulty.
What it means
The camshaft position sensor gives the ECU position data for injection sequencing and timing. A fault causes hard starting and performance problems.
Symptoms
- Hard starting/no-start
- Misfire
- Loss of power
- Check-engine light
Common causes
- Faulty cam sensor
- Wiring/connector issue
- Timing chain offset
- Damaged tone ring
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Frequently asked questions
What does trouble code P0340 mean?
P0340 – Camshaft Position Sensor Circuit. The camshaft position sensor gives the ECU position data for injection sequencing and timing. A fault causes hard starting and performance problems.
Can I drive with a P0340 code?
This code is high severity. Driving for long can damage the engine; have it checked as soon as possible.