Will the same thing happen if you loosen the oil filler cap? Berthann 5000cstq, 125k and counting > >> > Ck for air leaks first.... this sounds like a ripped IC to t-body hose... > Ck the bottom of it for a rip... Also pull the dipstick when the car is at > idle, does it stall? If so, you have a vacuum leak somewhere, if not, ck the > > HTH > > Scott >