88 951S

I have a stock 88 Turbo S that has started to pulse on decelaration with the car in gear. Idles fine runs fine but this pulsing just started since taking the car out of storage. It also has a little bit of a exhaust chugging sound while doing it but not too bad. Any ideas or help would be appreciated.

bigdeano

Vac leak. 90% sure.

Chris White

TPS. adjust the position so the the TPS 'clicks' when the throttle is closed.