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1995 993 Stalling, Follow Up

Fuel System

Vehicle Information: Model: 993 C4; Year: 1995; Body Type: Coupe; Total Mileage: 52000;

Thanks for the tip on replacing the ISV for my issue of stalling 1 out of 1000 times when dropping from highway rev''s to idle. I installed a new ISV, but the car has died a few more times. One in 1000 is about the number, so taking the service manager for a test drive is not likely to succeed. Previous owner told me the car had a new chip. Is it possible the fuel map is not ideal? I don''t care about having a perfomance chip. Should I get a stock unit? Where is the control module? Any other advice? Thanks.

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