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1980 Porsche 911 SC 3.0L Hesitation, Surge, Cuts out, Stall, backfire at iintake
Posted to European Driveability on 11/30/2020 12 Replies

Hi looking for some new leads or advice. 1980 Porsche 911SC Cold start is ok idles and drives well. When vehicle gets up to operating temp, it starts to surge on hard acceleration and will backfire out of the intake causing it to stall..Takes a bit of cran...

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car Vehicle Data

1980 Porsche 911 SC

VIN 91A0143339
Engine3.0 L / 6 cyl / GAS
Trans5-speed Standard
DeliveryFuel Injection / CIS W/LAMBDA
EmissionsCA
SymptomsHesitation, Surge, Cuts Out, Stall, Backfire at Iintake
OccursHot, Under Load, on Accel
Message Closed w/FIX

car Vehicle Data

1980 Porsche 911 SC

VIN 91A0143339
Engine3.0 L / 6 cyl / GAS
Trans5-speed Standard
DeliveryFuel Injection / CIS W/LAMBDA
EmissionsCA
SymptomsHesitation, Surge, Cuts Out, Stall, Backfire at Iintake
OccursHot, Under Load, on Accel