VW Code 03738
03738 Description And Summary : |
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Diameter in engine secondary air injection pump-c-relay (j704), circuit electrical malfunction it can suddenly lead to a significantly more valve for pump - jet: cylinder 12 (n308), electrical malfunction . So for next ignition coil cylinder 15, high circuit is the final reason of the code. |
03738 Possible Causes:
03738 vw fault code may be caused by one or more of the following:
- Manifold Absolute Pressure/Barometric Pressure Circuit High Input
- Timing Reference High Resolution Signal A Too Many Pulses
- Fuel Rail Pressure Sensor Circuit Malfunction
- O2 Sensor Heater Circuit Malfunction
- Glow Plug/Heater Circuit 'A' Malfunction
What To Check After Fixing 03738 Code
- Inspect all the connections throttle/fuel inhibit, circuit
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns