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ECM - False Code 24

90buick05

Model Year 1982

Bulletin No. 82-I-26

File in Group 64A

Number 3

Date Dec.'81
SUBJECT: False Code 24


MODELS AFFECTED: 1982 Vehicles Equipped with a 2.5L EFI L4 Engine and Manual Transmission


On 1982 vehicles equipped with a 2.5L EFI L4 engine and manual transmission, it is possible to set a false code 24 if certain operating characteristics are met. To set a false code 24, the vehicle may be in Neutral, with engine RPM above 1200 RPM for more than 60 seconds. A trouble code set in this manner should be disregarded when servicing the vehicle. The code may be cleared from the ECM memory by disconnecting the positive battery cable pigtail for 10 seconds.