I have just checked but guess what the part list for the 540 is not complete. I did find that the post cat sensors are the same so would there be any reason for them to have different pre cat sensors.
I have just checked but guess what the part list for the 540 is not complete. I did find that the post cat sensors are the same so would there be any reason for them to have different pre cat sensors.
Not that I know of. However, check the following site, also: