P0344: Camshaft Position Sensor A Circuit Intermittent (Bank 1)
GarageDex's OBD-II reference explains that code P0344 means "Camshaft Position Sensor A Circuit Intermittent (Bank 1)" - The camshaft position sensor signal is dropping out intermittently - same sensor as P0340, but the fault comes and goes.
Moderate - drivable, but don't put it off
Drivable but unpredictable stalls are possible - fix soon.
Symptoms
- Intermittent stalling or hard starts
- Random hesitation
- Check-engine light
Common causes (most to least likely)
- Failing camshaft position sensor
- Loose/corroded connector
- Wiring chafe
How to fix P0344
- Wiggle-test and inspect the connector and harness
- Replace the cam sensor if intermittent
Guidance only - confirm the cause with a scan before replacing parts. Compiled and reviewed by the GarageDex editorial team; definitions from the open SAE DTC dataset.
Tools & parts for P0344
Confirm the cause before you buy anything - a code points to a system, not a guaranteed part. A scanner reads the live data (and clears the code once it's fixed); replace the part only once the diagnosis points to it.
As an Amazon Associate we earn from qualifying purchases, at no extra cost to you.
Frequently asked
What does the P0344 code mean?
GarageDex's OBD-II reference explains that code P0344 means "Camshaft Position Sensor A Circuit Intermittent (Bank 1)" - The camshaft position sensor signal is dropping out intermittently - same sensor as P0340, but the fault comes and goes.
What are the symptoms of P0344?
Common symptoms: Intermittent stalling or hard starts; Random hesitation; Check-engine light.
What causes a P0344 code?
The common causes, most to least likely: Failing camshaft position sensor; Loose/corroded connector; Wiring chafe.
Is it safe to drive with a P0344 code?
Drivable but unpredictable stalls are possible - fix soon.
How do I fix a P0344 code?
Wiggle-test and inspect the connector and harness Replace the cam sensor if intermittent Confirm the cause with a scan before replacing parts.