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1990 Buick Century, ECT Scandata
Posted to the Waveform Library on 12/23/2000

CTS graph caused by a bad PCM. It's not that the PCM is bad, it's what caused it to be bad, and the cause is unrelated to the CTS!

 

car Vehicle Data

1990 Buick Century Custom 3.3L

Engine3.3 L / 6 cyl / GAS
Trans4-speed AutomaticTransaxle
DeliveryFuel Injection
SubsystemECM/Inputs/Outputs
Component
ConditionKnown Bad

car Vehicle Data

1990 Buick Century Custom 3.3L

Engine3.3 L / 6 cyl / GAS
Trans4-speed AutomaticTransaxle
DeliveryFuel Injection
SubsystemECM/Inputs/Outputs
Component
ConditionKnown Bad