2016 Ford P0340: What It Means & Is It Safe to Drive?
P0340 on the 2016 Ford: Camshaft Position Sensor Circuit Malfunction. Here's what it means, what usually causes it, what repairs typically cost, and whether it's safe to keep driving.
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What this code means
The PCM is not receiving a valid signal from the camshaft position sensor. Affects ignition timing and fuel injection.
Common causes on the 2016 Ford
- Failed camshaft position sensor
- Wiring or connector issue
- Timing chain/belt misalignment (less common)
Symptoms
- Check Engine Light
- No start or hard start
- Rough run, stalling
- Reduced power
Typical fixes
- Replace camshaft position sensor
- Repair wiring/connector
- Verify timing if sensor replacement doesn't fix
Repair cost range
For a 2016 Ford, repairs for P0340 typically fall between $100 and $500, depending on the root cause and labor rates in your area.
Known issues on Ford
Ford P0340 on the 3-valve 5.4L Triton and 4.6L is often a failed CMP sensor or a variable cam timing phaser issue. On 3-valve engines, debris from failed cam phasers can damage the sensor—inspect for metal debris and timing component damage if the sensor alone doesn't resolve it.
Most commonly affected models
F-150 2004–2014Mustang 2005–2010Explorer 2006–2010