Rough running 2005 Yukon

gmc
yukon

#1

My 2005 yukon runs rough between 1300-1700 rpm, seems to run fine at all other rev’s, doesn’t matter what gear I’m in, (trying to troubleshoot put in low to see what it would do, same problem) if it’s in the rough zone and I punch it it smooths out and runs fine, I’ve tried injector cleaner (Techron), premium gas, but it still does it, any ideas?


#2

I would suggest cleaning the Mass Airflow Sensor (MAF).
An auto parts store will have an appropriate solvent to use on the MAF.


#3

thank you, I’ll try that.