I have a 1994 gmc Sierra sle k1500 and it's idling fast and I can't find out what is causing it

Asked by Mar 30, 2015 at 06:04 PM about the 1994 GMC Sierra 1500 C1500 SLE Standard Cab SB

Question type: Maintenance & Repair

I have checked for vaccum leaks and all
vaccum hoses

2 Answers

7,315

Do you have an engine light on? if so get it scanned

Best Answer
10

My advise is to replace the Air idle mixture valve. Easy fix. my 95 GMC had the same trouble after I replaced the intake gasket. It is cheap to replace $50.00 Simply unplug the wiring harness and un screw the old one, and replace it. Hope this was helpful

1 of 1 people found this helpful.

Your Answer

Add photo

Related Questions

  • Need to find 1995 GMC Sierra 1500 5.7L V8 O2 sensor wire 11 answers

    I am doing work on my 1995 GMC Sierra 5.7L V8 I recently purchased. It is idling very rough and stalls when put into gear. When looking through the engine bay, I discovered that the O2 sensor wire wa...

    1995 GMC Sierra 1500 K1500 SL 4WD Standard Cab LB

    -

    Maintenance & Repair

  • rough idle, stalling, loss of power. 228 answers

    o2 sensor code 44 (lean) Replaced: coolant temp sensor, tps, map sensor, fuel filter, and o2 sensor. It will run normal on occasion but only lasts about 45 seconds or so. I don't think its the torqu...

    1995 GMC Sierra 1500 K1500 SL 4WD Extended Cab Stepside SB

    -

    Maintenance & Repair

  • Which fuse? (tail lights) 13 answers

    I have a 1994 GMC Sierra 1500. The tail lights aren't working. The brake lights and turn signals all work, I changed out the bulbs already and I think it is a fuse. The problem I am running into i...

    1994 GMC Sierra 1500 K1500 SLE 4WD Extended Cab LB

    -

    Maintenance & Repair

  • my 94 gmc sierra 1500 will start then dies and then wont start again for awhile 6 answers

    i will start my truck and it will idle for alittle bit then it dies and wont start again for alittle while. you can smell fuel like it is flooded.. can anyone help plz, pretty much have replaced ever...

    1994 GMC Sierra 1500 K1500 SL 4WD Standard Cab SB

    -

    Maintenance & Repair

  • I have a 1990 GMC K1500, stalling issues. 29 answers

    the truck will start up most time fine with a little gas, after about 30 seconds in idle it will do an irregular idle and then stall out. Also when I put the truck into reverse or drive without my fo...

    1990 GMC Sierra C/K 1500

    -

    Maintenance & Repair

Search GMC Sierra 1500 Questions

GMC Sierra 1500 Experts

#1 dragonflyoffshore
dragonflyoffshore
Reputation 5,010
#2 John Saffrahn
John Saffrahn
Reputation 3,540
#3 Glenn Clingenpeel
Glenn Clingenpeel
Reputation 3,150
View All

Related Models For Sale

Used Ford F-150
2,191 Great Deals out of 206,316 listings starting at $1,499
Used Dodge Ram 1500
454 Great Deals out of 11,152 listings starting at $700
Used Toyota Tacoma
541 Great Deals out of 40,814 listings starting at $2,495
Used GMC Yukon
374 Great Deals out of 18,226 listings starting at $2,950
Used Chevrolet Tahoe
548 Great Deals out of 29,234 listings starting at $1,699
Used Chevrolet Camaro
226 Great Deals out of 30,943 listings starting at $1,217

Used Cars For Sale

2017 GMC Sierra 1500 For Sale
43 Great Deals out of 44,111 listings starting at $20,121
2016 GMC Sierra 1500 For Sale
78 Great Deals out of 3,645 listings starting at $17,888
2015 GMC Sierra 1500 For Sale
102 Great Deals out of 3,926 listings starting at $15,400
2014 GMC Sierra 1500 For Sale
116 Great Deals out of 4,152 listings starting at $14,495
2013 GMC Sierra 1500 For Sale
66 Great Deals out of 2,009 listings starting at $9,600

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.