Stumbling

Asked by May 16, 2016 at 01:55 PM about the 1990 GMC Sierra 1500 C1500 SLE Extended Cab SB

Question type: Maintenance & Repair

1990 GMC Sierra 5.7, when cold everything works great, once warm you have
to feather the gas to get it going, once past the idle taking off it runs good.
Any ideas?

1 Answer

26,195

hows the fuel filter...also check for vacuum leaks...

Your Answer

Add photo

Related Questions

Search GMC Sierra 1500 Questions

GMC Sierra 1500 Experts

#1 dragonflyoffshore
dragonflyoffshore
Reputation 5,270
#2 John Saffrahn
John Saffrahn
Reputation 3,640
#3 Glenn Clingenpeel
Glenn Clingenpeel
Reputation 3,330
View All

Related Models For Sale

Used Ford F-150
2,092 Great Deals out of 192,324 listings starting at $290
Used Chevrolet Camaro
373 Great Deals out of 31,231 listings starting at $2,500

Used Cars For Sale

2017 GMC Sierra 1500 For Sale
82 Great Deals out of 43,563 listings starting at $23,368
2016 GMC Sierra 1500 For Sale
96 Great Deals out of 3,450 listings starting at $17,670
2015 GMC Sierra 1500 For Sale
95 Great Deals out of 4,288 listings starting at $12,899
2014 GMC Sierra 1500 For Sale
93 Great Deals out of 4,180 listings starting at $13,995
2013 GMC Sierra 1500 For Sale
52 Great Deals out of 1,955 listings starting at $8,999

Content submitted by Users is not endorsed by CarGurus, does not express the opinions of CarGurus, and should not be considered reviewed, screened, or approved by CarGurus. Please refer to CarGurus Terms of Use.