Camshaft Position Sensor
Engine Control Module
Camshaft Position Sensor Connector
The necessary parts and tools to clear this Diagnostic Trouble Code (DTC) might differ depending on your vehicle's make and model. If your Check Engine light is illuminated, stop by any O’Reilly Auto Parts and get an O’Reilly VeriScan® for your car, truck, or SUV and get a detailed VeriScan report with more information about your vehicle’s Diagnostic Trouble Code(s), along with possible causes and repair solutions. If you aren’t comfortable making these repairs yourself, our parts professionals can recommend a local shop to make your repair.
OBD-II fault code P0340 means “Camshaft Position Sensor Circuit A”, and typically appears when the circuit wiring of the camshaft sensor is faulty in some way. You could see multiple other error codes associated with this problem, and if it goes unresolved, it can cause major issues with your vehicle’s engine performance, even leading to engine damage.
P0340 Code Diagnosis
When you experience a P0340 diagnostic trouble code, your vehicle may be experiencing failure in one of a few areas:
- Camshaft position sensor
- Misfiring/rough running engine
- Control module
- Loose circuit connections
- Damaged/corroded wiring harness or connectors
Aside from a Check Engine light, symptoms of a P0340 Code can include:
- Check Engine light
- Hard starts or cranking without starting
- Engine hesitation/stalling
- Dying and not restarting
- Misfires
- Rough running
- Poor acceleration
Whether you notice any symptoms or not, it is not recommended that you drive a vehicle with this code until the problem is diagnosed
Risks of Driving with a P0340 Code
Your vehicle may still run, but driving has the potential to make the problem worse or cause damage to other systems.
