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1991 Oldsmobile Cutlass Supreme 3.1L No Scan Data
Posted to GM Driveability on 4/6/2010 8 Replies

Today I installed the ECM, and now I have the capability to enter the data stream, but nothing has any values except the CTS -40 and MAT [...]. Trouble codes check and scanner says there are none. Also by jumping A and B at ALDL there is only a code 12, all go...

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car Vehicle Data

1991 Oldsmobile Cutlass Supreme

VIN 1G3WH11T3M
Engine3.1 L / 6 cyl / GAS
Trans4-speed Automatic
DeliveryFI
SymptomsNo Scan Data
OccursAlways
Message Closed

car Vehicle Data

1991 Oldsmobile Cutlass Supreme

VIN 1G3WH11T3M
Engine3.1 L / 6 cyl / GAS
Trans4-speed Automatic
DeliveryFI
SymptomsNo Scan Data
OccursAlways