Audi 7A to AAN cylinder head machining service link ecu Long term throttle position (idle

Long term throttle position (idle air) adaptation

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Audi 7A to AAN cylinder head machining service link ecu Long term throttle position (idleAs the supply of good condition AAN cylinder heads dwindles we took it upon ourselves to setup tooling to convert mostly crack free 7a cylinders heads to be fully AAN compatible. To that end we add the additional exhaust manifold studs, machine the water manifold ports and add the cam sensor provision to the front of the cylinder head. All heads are pressure tested washed and surfaced after machining. This is a core exchange process using your 7a