wont idle

Asked by May 28, 2016 at 09:55 PM about the 1994 GMC Sierra 1500 C1500 SLE Standard Cab LB

Question type: Maintenance & Repair

94gmc Sierra 4.3 dies at idle changed fuel
pump cap rotor has good spark have to put a
cap of gas in tbi to start but if not reving will
die runs fine when driving just start up and
idle

1 Answer

875

Have you checked the idle air control valve?? They are notoriously bad. If your idle air control valve checks out (meaning, it's good), then it could likely be EGR valve. However based on what you're describing, it is not likely that EGR is your problem.

Your Answer

Add photo

Related Questions

Search GMC Sierra 1500 Questions

GMC Sierra 1500 Experts

#1 dragonflyoffshore
dragonflyoffshore
Reputation 4,820
#2 John Saffrahn
John Saffrahn
Reputation 3,390
#3 Glenn Clingenpeel
Glenn Clingenpeel
Reputation 2,970
View All

Related Models For Sale

Used Ford F-150
2,693 Great Deals out of 211,512 listings starting at $1,000
Used Dodge Ram 1500
530 Great Deals out of 12,822 listings starting at $1,995
Used Toyota Tacoma
616 Great Deals out of 35,102 listings starting at $2,155
Used GMC Yukon
516 Great Deals out of 17,124 listings starting at $1,799
Used Chevrolet Tahoe
775 Great Deals out of 28,448 listings starting at $1,500
Used Chevrolet Camaro
282 Great Deals out of 38,308 listings starting at $1,250

Used Cars For Sale

2017 GMC Sierra 1500 For Sale
23 Great Deals out of 35,674 listings starting at $23,699
2016 GMC Sierra 1500 For Sale
53 Great Deals out of 3,969 listings starting at $18,219
2015 GMC Sierra 1500 For Sale
119 Great Deals out of 4,042 listings starting at $14,988
2014 GMC Sierra 1500 For Sale
150 Great Deals out of 4,383 listings starting at $14,495
2013 GMC Sierra 1500 For Sale
89 Great Deals out of 2,374 listings starting at $9,988