93 GMC Sierra


Asked by May 23, 2017 at 12:55 AM about the 1993 GMC Sierra 2500 2 Dr C2500 Standard Cab LB

Question type: Maintenance & Repair

350 engine with 5.7 liter tbi. Truck will not run without two
foot method and when does run with two foot method it is
very rough. I have replaced complete throttle body, ecm,
mad sensor. Truck was sitting a few years before I got
ahold of it if that helps. Any help is greatly appreciated as
I cannot afford to keep playing the guessing game. Thank
you all in advance

2 Answers


you need to check for codes...did you...also is it a lean pronlem due to vacuum leaks?we dont know..


Vacuum is the only thing I didn't do yet. I get paid on Friday so I am replacing every single line, will update post then thank you

Your Answer

GMC Sierra 2500 Experts

  • #1
  • #2
  • #3
View All

Related Models For Sale

Used GMC Sierra 1500
167 Great Deals out of 12,028 listings starting at $1,775
Used Dodge Ram 2500
5 Great Deals out of 88 listings starting at $8,999
Used Ford F-150
521 Great Deals out of 9,917 listings starting at $3,490
Used Ford F-250
3 listings
Used GMC Sierra 3500
2 listings starting at $16,888
Used Dodge Ram 1500
50 Great Deals out of 484 listings starting at $2,495

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.