i have a 1994 gmc k1500 with a v6. when i stop at a light for more than a minute the check engine light comes on, it will go off after i start going again. it has new oil, plugs-cap-rotor and wires as well as a new coolant temp. sensor...what gives?

Asked by Aug 20, 2014 at 09:49 PM about the 1994 GMC Sierra 1500 K1500 SL 4WD Standard Cab LB

Question type: Maintenance & Repair

3 Answers

96,715

Have the codes pulled, that should help in guiding you to what is starting to go haywire.

1 of 1 people found this helpful.
68,455

Even if the light goes off the codes are still in the computer. HTH. -Jim

96,715

Yep, it stores them in memory, they will stay there for about 10 to 15 cold starts.

1 of 1 people found this helpful.

Your Answer

Add photo

Related Questions

Sierra 1500

Looking for a Used Sierra 1500 in your area?

CarGurus has 68,701 nationwide Sierra 1500 listings starting at $1,800.

ZIP:

Search GMC Sierra 1500 Questions

GMC Sierra 1500 Experts

#1 dragonflyoffshore
dragonflyoffshore
Reputation 5,230
#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
2,162 Great Deals out of 195,111 listings starting at $290
Used Dodge Ram 1500
417 Great Deals out of 10,946 listings starting at $1,000
Used Toyota Tacoma
516 Great Deals out of 43,168 listings starting at $1,995
Used GMC Yukon
423 Great Deals out of 20,393 listings starting at $1,495
Used Chevrolet Tahoe
597 Great Deals out of 32,881 listings starting at $1,500
Used Chevrolet Camaro
349 Great Deals out of 31,370 listings starting at $2,500

Used Cars For Sale

2017 GMC Sierra 1500 For Sale
91 Great Deals out of 44,500 listings starting at $23,368
2016 GMC Sierra 1500 For Sale
89 Great Deals out of 3,512 listings starting at $17,670
2015 GMC Sierra 1500 For Sale
95 Great Deals out of 4,251 listings starting at $16,291
2014 GMC Sierra 1500 For Sale
93 Great Deals out of 4,195 listings starting at $13,995
2013 GMC Sierra 1500 For Sale
55 Great Deals out of 1,945 listings starting at $8,500

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.