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1994 Buick Century Custom 3.1L Hesitation, Low Power
Posted to GM Driveability on 4/21/2011 25 Replies

This Buick suffers low power when accelerating when the engine is warm, seems OK cold. I watch the Knock Sensor counts and they will slowly increase and the ignition timing is retarding, sometimes by up to 23*. If I run it at about 2500 rpm in Neutral or Park ...

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Message Closed w/Summary

car Vehicle Data

1994 Buick Century Custom

VIN 1G4AG55MXR
Engine3.1 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection / MPFI
EmissionsOBD I
SymptomsHesitation, Low Power
OccursOn Accel
Message Closed w/Summary

car Vehicle Data

1994 Buick Century Custom

VIN 1G4AG55MXR
Engine3.1 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection / MPFI
EmissionsOBD I
SymptomsHesitation, Low Power
OccursOn Accel