2001 GMC Yukon Denali Q&A
2001 GMC Yukon Denali Question: oxygen sensors
how to reset oxygen sensors - Visitor
no reset for o2 sensors. what is the code you have?? what have you done so far to attempt to repair it?? Roy - mastertech6371
Are you trying to reset the fuel trims? Have you replaced the oxygen sensor(s)? The fuel trims will relearn over time, or can be reset with a scan tool. - frontrangefleet
I have a 6.0 liter engine and was getting 6-12 mpg in town and 14-28mpg highway. My fuel pump was just replaced and I am now reading 18-27 mpg in town and 6-7 mpg highway. Idle is high and car se...