Engine Error
P0340
Camshaft Position Sensor Circuit Malfunction
Severity
High
Symptoms
Hard starting, rough idle, lack of power, stalling
Common Causes
- Faulty camshaft sensor
- Worn timing belt/chain
- Corroded connector
- PCM failure
How to Fix
- 1 Replace camshaft sensor
- 2 Inspect timing belt alignment
- 3 Repair wiring harness
- 4 Test battery and alternator
Estimated Repair Cost
USD
$150
–
$1000
Sensor: $150 - $300; Timing belt: $600 - $1,000