Code 45

[King_berald]

gday fellas....just rebuilt my motor with new headgaskets and all that....and the engine light is coming on every now and then....and im getting a code 45 when im checking the computer...which is oxy sensor running rich.....how would i rectify this???

[Pub247]

replace the sensor if it over 50,000klms old see if thats help by the way does it blow smoke when light comes on?

[King_berald]

i dunno...its pretty hard to see from the drivers seat....

whats a new sensor worth??

[delcowizzid]

did you use silicon anywhere in the engine build O2 sensors dont like it at all if it isnt O2 sensor freindly

[King_berald]

nah i didnt use any sealant......i was using ezyfit gaskets and the packet said they didnt need any sealant....should i have anyway???