Camshaft Position Sensor A Circuit Intermittent Bank 1
The engine computer is losing the camshaft position sensor signal on bank 1 or the single sensor. This can cause rough running, hard starting, stalling, or poor acceleration. The problem is often caused by a bad connector, wiring issue, or a failing sensor.
The vehicle may still run, but it can stall, hesitate, or run poorly without warning. Avoid long trips and repair it soon, especially if the engine is hard to start or stalls.
P0344 means the powertrain control module has detected an intermittent or unstable signal from camshaft position sensor A on bank 1, or the only cam sensor on a single-sensor engine. The fault may be in the sensor itself, the wiring, the connector, or less commonly the tone wheel, timing components, or PCM signal processing.
Yes. A failing sensor is one of the most common causes of P0344.
Only with caution and only for a short distance if the engine is running normally. If it stalls, runs very rough, or is hard to start, do not continue driving.
It may disappear temporarily if the signal comes back, but the underlying fault usually remains and the code often returns.
Not always. Wiring and sensor problems are more common, but timing system problems can also cause this code.