Re: 1993 ford taurus

try the oxygen sensor. should be in the exhaust pipe somewhere.

"janka" wrote:
 > i recently did the emissions test here in ontario and my car
 > got a fail grade due to high NOx leves. I've already changed
 > the EGR valve for a new one already. i was wondering if anyone
 > else had some good tips for fixing an NOx emissions problem
 > with these cars? or if anyone's had experience with this
 > problem and knows which sensors might need chaning/any other
 > probable causes to this problem. as the subject says its a '93
 > ford Taurus 6 cylinder, 3.0L GL. any tips would be appreciated
 > =)