A8L V8-4.2L (BFM) (2004)
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Pull ignition coils about 30 mm out of spark plug shaft with (T40039).
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Release electrical connectors and remove them evenly from ignition coils.
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Remove spark plugs using (3122B).
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Install new spark plugs.
Removing left cylinder bank 2:
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Remove air guide hose between Mass Air Flow (MAF) Sensor (G246) and Throttle Valve Control Module (J544) by loosening hose clamps -
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