Code 17 again?
 

1990 300se.CEL came on.code 17 from led under hood =o2 sensor.got a new one from amazon oem Bosch.cleared code all good for a week than yesterday drove up to LA light back on.read code again its 17! why? wires all good,sensor tight any Ideas?

300SE 1990 pictures v
 

Very clean for 21 year old car.cream puff,I do most all the repairs at home
not to hard easy to work on if you have patience.allways do your home work before fixing things
yes this is the one with CEL on
http://i580.photobucket.com/albums/s...k/IMG_0487.jpg

http://i580.photobucket.com/albums/s...k/IMG_0486.jpg
http://i580.photobucket.com/albums/s...k/IMG_0485.jpg
http://i580.photobucket.com/albums/s...k/IMG_0488.jpg

try the sticky I posted on the top off the forum and see if it helps.