How can I service my throttle body on my own? on 1990 GMC Suburban 2500

Rough idle under no load, and roughacceleration.

by in Bothell, WA on December 17, 2010
1 answer
ANSWER by on December 30, 2010
This can be cleaned with a good spray cleaner and a tooth brush. If there is enough filth you may need to replace the spark plugs replaced after performing this service. Good luck