Engine Performance problem
2003 GMC Sonoma 4 cyl Two Wheel Drive Automatic 50000 miles
I have a 2003 GMC sonoma 4cyl-auto. It is underpowered and gets poor gas mileage for a 4cyl. What kind of improvements can I do to the engine to increase HP and MPG? Thank you
have the same problem?
Saturday, April 5th, 2008 AT 1:58 AM