Questions & Answers for: GMC how do i adjust the carbs

...rich i cannot pass emmissions. do i just need a tune up or do i need to rebuild carb or just adjust carb There could be all kinds of reasons your vehicle runs rich. It should be fuel injected ...

...sides all the way in, then back out 2 and a half turns, this should be where you will run the best. adjust as needed, but that is the standard. i also run sea foam through the carb, alot better then ...

how to adjust idle on 1999 GMC Suburban if it is multiport injected there is no idel adjustments the computor uses o2 sensors and idel air control motor and varius other sensors to control idel If the

1979 sierra grande runs too righ even after adjusting carb 1979 sierra grande with 454 runs too rich even after carb adjusted to run lean. gas vapor coming out of tail pipe You may have an internal ...

Need to know how to adjust a carb on the 2.5L. I'm having a problem with too much gas getting into the chambers and drenching my spark plugs. I can also smell a lot of gas coming out of the exhaust. I

i need to adjust my qcarb on 1985 gmc-pickup two wheel drive . i need to know what evey screw does this truck doesnt have a carb, this has a throttle body, its fuel injected,there are no ...

I have a problem with my1989 gmc suburban, the idle is set way too high ( apx 2700 rpm) where is the idle adjustment screw located on the carb? there is no carb, and no adjustment. if it idles too ...

...the float. Shake it and see if there is gas in it. If it's not a brass float, you may just need to adjust it, and clean the

simple post complete 4bbl adjustments for rochester.....!!!!!! 1984 gmc 305ci rochester 4bbl carb adjustments (pickup has NO polution on it at all) (also no sealed adjustment screws. PLEASE! most of ...

...and added a fuel system cleaner. fast idle speed screw, works off the fast idle cam which the choke adjustment sets, it works together by linkages. This is the raised idle speed setting you need to ...