p0340
Easy Fix
Fiat · Cars
Camshaft Position Sensor Circuit Malfunction
Quick Answer
Error code P0340 on your Fiat Cars means: Camshaft Position Sensor Circuit Malfunction. This is usually fixable — see the step-by-step guide below.
Affected Models
Likely Causes
How to Fix It
1
Locate camshaft position sensor
2
Check sensor connector for corrosion
3
Test sensor voltage with oscilloscope
4
Inspect wiring harness for damage
5
Replace sensor if faulty
Pro Tip
This is a common issue that most users can resolve without specialized tools. Try the first step before moving on to more complex solutions.
Parts You May Need
Camshaft position sensor
Electrical connectors
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