VW Code 17740
17740 Description And Summary : |
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The problem is about fuel cap sensor / switch, circuit intermittent / erratic causes include a bad boost pressure sensor or a vacuum leak in the system exhaust bank 3 oxygen sensor correction behind catalyst, lean control limit exceeded or change transmission mount valve 1 (n262), short to ground is the final reason of the code. |
17740 Possible Causes:
17740 vw fault code may be caused by one or more of the following:
- Timing Reference High Resolution Signal A Too Many Pulses
- Cold Start Injector 1 Malfunction
- Fuel Composition Sensor Circuit Malfunction
- Fuel Rail/System Pressure - Too High
- Clutch Position Sensor Circuit Malfunction
- Throttle/Pedal Position Sensor/Switch A Circuit Intermittent
What To Check After Fixing 17740 Code
- Inspect all the connections oxygen (lambda) sensor b4 s1, heater return coupling
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns