Turbo Coupe Technical Articles Turbo Coupe Literature Contact
h19: Attempt to Eliminate Code 41 on Engines with VAM
Steps _Key Off
_Breakout box installed
_Connect processor to breakout box.
_Reconnect HEGO sensor
_Air cleaner removed, pencil inserted in vane meter inlet
_Start engine and run at approximately 2000 RPM for 2 minutes
_Rerun Engine Running Self-Test
Result Is Code 41 present?
Direction YES

Remove breakout box. Remove pencil from vane meter. Reinstall air cleaner. Replace processor. Rerun Quick Test

NO

Remove breakout box. Reconnect processor. HEGO input and circuit OK. GO to Continue


HEGO Information:
ComponentHeated Exhaust Gas Oxygen Sensor
DescriptionThe HEGO sensor supplies the EEC with a signal that indicates a rich or lean condition during engine operation.
LocationThreaded into the turbo outlet elbow
Wire ColorsDark Green with Purple stripe
Grey with Yellow stripe
Black with Light Green stripe
Image

">