Notifications
Clear all
0
30/08/2023 1:39 pm
Topic starter
Why does my 2003 Yukon xl 1500 series all of sudden the RPMs go from 600 to 400?
I have a po442 and a po332
I have fix the slow leak.
But not the knock sensors.
1 Answer
3
30/08/2023 5:45 pm
Thank you I will clean the throttle body and Maf sensor