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View Full Version : Please Help OBD Code P242B - Powertrain Aux Emission Controls - ISO/SAE Controlled



Steuart64
20-07-2014, 04:05 PM
Pals (A1 1.6 tdi 60 Re had an EML warning light come on.
Arranged to run OBD but on way to his house he called to say the warning light had gone off.
Ran an OBD and got the code above. Looked up extra info and got:
Ex Gas Temp Sensor circuit/range performance and location Bank 1 sensor 3

Can someone please advise?

Is this a major fault?
What are the approx costs and finally
if the light stays off should he bother doing anything?

Many thanks