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2008 911 turbo engine skip after spark plug change

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I have a 2008 911 turbo cab with 20K miles. Because the car is 4 1/2 yrs old, the Porsche dealer has urged me to have the spark plugs changed eventhough the car was running great. The plugs were changed by the dealer 2 days ago, Since then the engine "searches" at idle and under hard acceleration has a momentary skip, neither of which it had before. Now the check engine light has come on. The car will be towed to the dealer tomorrow, but I'd appreciate any thoughts, tips or education. Thanks.

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Hate to sound obvious, but when something like this happens, you always go back to the work that was just completed first. Get the code read, you may simply have a poorly connected coil, or a loose hose on one of the intake areas and are leaking boost.

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