P0340 means camshaft position sensor circuit malfunction. The camshaft position sensor circuit has failed. The computer uses this sensor to time fuel injection and spark — withou
Drive gently and get it diagnosed within days.
The camshaft position sensor circuit has failed. The computer uses this sensor to time fuel injection and spark — without it, the engine may run poorly, stall, or refuse to start.
Most common.
Open/short in the harness.
Moisture.
Chain/belt problem mimicking sensor fault.
Rare.
Typically $100–$400
Sensor replacement typically $100–$400. Estimates vary by vehicle. Costs are estimates and vary by vehicle, location, and shop.
The car may stall or not start — don't take it on long trips. Fix within days.
Typically $100–$400. Sensor replacement typically $100–$400. Estimates vary by vehicle.
Drive gently and get it diagnosed within days.
The most common cause is failed camshaft position sensor. Most common.