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in Cold, runs rough for 5-10 seconds, then fine...what be it?
Had this on my '89 turbo as well as my past '88 turbo S: any idea what sensor is failing to communicate so it's ignored in 5-10 seconds and then the car runs fine?
Unfortunately most of these cars have this same behavior. The only thing that seemed to help on mine was the fuel pump check valve. It still does it a bit.