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Misfiring

  

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Hello Scotty, i have a 2009 audi a5 with the 3.2 direct fuel injected engine at 51,000miles. Switched spark plugs and ignition coils but still misfiring. If i try to floor it sometimes my second gear will go all the way to 1rpm and start 2nd gear from their. Had transmission checked by audi its not that. Help. 


2 Answers
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Need to hook up a pro level scantool to check these things. It could be also oil build up on intake valves, which is common on these german GDI cars. 


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Any code?


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