Turbo - it is a snail, but the bitch is very fast.
Is there any way to confirm dead oxygen sensor before replacing?
In the manual I downloaded, it only showed a trouble shooting chart for the cruise control. Cause I too have po421, Warm up catalyst efficenty below threshold cylinders 1-4.
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You must log in to the electronic manual. > Fuel.> page. 13A-33> Find the code 0421.>Click on the link on the page. 13A-598 > To Read. But most of the sensor have to be replaced.
Turbo - it is a snail, but the bitch is very fast.
Thanks man. I forgot to add that mine was a 8G lol and this was the 9G Forum. Anyway I though they would have been the same, but evidently not. After downloading and going to where you said, I was able to find it at Fuel> 13A-194. So Mitsubishi changed the manual. Anyway, your reply helped out alot. I found this thread by searching, cross referencing the code. So now if another 8G owner comes across this thread they will have it and in addition to the 9G owners page numbers you posted. Again thanks for the help.
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