p0340
Moderate
Porsche · Sedans & Sports Cars
Camshaft Position Sensor A Circuit
Quick Answer
Error code P0340 on your Porsche Sedans & Sports Cars means: Camshaft Position Sensor A Circuit. This is usually fixable — see the step-by-step guide below.
Affected Models
Applies to all models
Likely Causes
How to Fix It
1
Inspect camshaft position sensor wiring and connector for damage
2
Measure sensor resistance with a multimeter
3
Check sensor air gap and clean if necessary
4
Test sensor output voltage with a scope or multimeter
5
Replace camshaft position sensor if faulty
Pro Tip
This fix requires some technical knowledge. If you're unsure about any step, consider contacting support or a qualified technician.
Parts You May Need
Camshaft position sensor
Sensor wiring harness
Connector pins and terminals
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