• Jack on P0340 – Camshaft Position Sensor “A” Circuit Malfunction (GM): “To begin with the vehicle died suddenly like the key was shut off. It would crank just fine but never…” Jul 4, 04:32
• Chris on P0420 – Catalytic converter system, bank 1 -efficiency below threshold (VW): “I had a ignition coil go out on me and had to continue driving it for a week or so.…” Apr 27, 06:35
• Ben on P2181 – Cooling system performance: “2009 vw Jetta 2.5L. driving 30 minutes in the morning after a sudden cold weather snap. Check engine light came…” Apr 23, 08:40
• red on U0001 – Controller area network (CAN) data bus: high speed bus/communication control module: “Can you help me i have code u0001 and unable to read data.what is the possible problem?” Apr 20, 08:12
• Iyanpac on P0307 – Cylinder 7 -misfire detected: “It should be noted that the injector o-rings can cause this condition.” Apr 8, 23:45

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Remember that most trouble codes refer to a specific circuit and replacing the sensor without confirming it is bad, may not solve the problem.

Warning: Please check for manufacturer specific codes with an appropriate manual