I was driving to work today and I figured that I havent done the Itallian tune up on my 96 964. Put the car in L and let the RPM's rise to 4500 RPM's for about 20 seconds. Then I nailed the throttle and switched out of L for a redline upshift. For the first time ever after doing this I got A cloud of smoke out of the tail-pipe. This wasn't the little puff that occurs when the throttle is nailed. Has anyone had this happen to them. This was a hughe cloud that took up both lanes of an Undivided highway. The car runs fine but the Check engine light came on. I pulled over and turned the car off opened the hood and there was no smoke, no smell and the engine was still there. The car started fine and ran fine all the way to work. Thanks for any replies.
Brandon
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