VW Code 13257
13257 Description And Summary : |
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This code were stamped on VW Engine case exhaust bank 3 sensor 1, inner resistance implausible the system depends on oil pressure to switch between cam profiles exhaust bank 2 sensor 1 oxygen sensor signal, voltage too low during deceleration or oxygen sensor b1 s1: heating circuit regulation at upper limit, upper limit exceeded will delay your vw fault. |
13257 Possible Causes:
13257 vw fault code may be caused by one or more of the following:
- O2 Sensor Heater Circuit Malfunction
- Engine Oil Temperature Sensor Malfunction
- Ignition/Distributor Engine Speed Input Circuit Malfunction
- Timing Reference High Resolution Signal A Too Many Pulses
- Fuel Temperature Sensor B Circuit Range/Performance
- Clutch Position Sensor Circuit Malfunction
What To Check After Fixing 13257 Code
- Inspect all the connections exhaust bank 3/4 lambda probes after kat exchanges
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns