Question about 2001 Audi TT

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The orange engine warning light is lit and the engine surges between 4,000 and 5,000 rpm

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The first step is to delete the fault code:
Disconnect + wire on the battery for one hour. Turn ignition ON but do not start the engine. Leave it on so the throttle resets automatically. Turn ignition OFF and then start the engine as you normally do. Go for a 15 minutes drive, Audi reccomends to not let the engine idle, go for a normal drive so the ECU reads the values from all sensors again and remaps the ignition and fuel timing. If after all this the Engine Service light stays ON the engine needs to be diagnosed by an Audi workshop as it could be a lot of things, from a faulty coil pack, to an oxygen sensor or maybe a coolant/air temp sensor...

Posted on Jan 30, 2010


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