From previous threads i have made, i have mentioned the way the car smokes weridly
from cold start up it will smoke (as expected), however upon going for a decent run and then leaving the idle it will blow clear, then after 2 mintures of sitting idle it will start blowing smoke again and it smells very rich
A mechanic friend said this is why its smoking, its unburnt fuel and the ECU/Engine doesnt know whether to run rich/lean, hence it blowing clear then back on to smoky again
What sensor is this? ive just bought a CTS sensor and going to try that later, anything else it could be
bearing in mind in the past few months the car has had a new CAT and a brand new bosch lambda sensor
also to note when the car was on diagnostic it showed the coolant temp sensor working ok with it matching the gauge and upon unplugging it dropped to -40 degrees
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Audi S3 Black Edition