1991 gmc sierra k1500--long crank to start vehicle

Asked by rkgonezo Jan 11, 2017 at 04:43 PM about the 1991 GMC Sierra 1500 K1500 4WD Standard Cab LB

Question type: Maintenance & Repair

Cranks for about 4-5 seconds then starts. after the first start it fires right up.
Already replaced fuel pump, fuel filter, and and TBI injectors. What else could
it be?
Thanks,
Ruben

1 Answer
220,895

Rowefast answered 7 years ago

First, check the spark to see what it looks like, it should be white in color, not a orange color. Next check the fuel pressure. It may be the spring if the fuel regulator is weak, and so you may need a TBI rebuild kit, or if you can find a regulator kit, I think I've seen those.

1 people found this helpful.
Mark helpful

Your Answer:

Related Questions

  • 1991 gmc sierra k1500--long crank to start vehicle 1 Answer

    Cranks for about 4-5 seconds then starts. after the first start it fires right up. Already replaced fuel pump, fuel filter, and and TBI injectors. What else could it be? Thanks, Ruben

    1991 GMC Sierra 1500 K1500 4WD Standard Cab LB

    -

    Maintenance & Repair

  • 1991 GMC Sierra K1500 Backup lights not working 1 Answer

    I have no backup lights. I have parking and break lights but no backup. I replaced the lights and circuit boards but they still don't work. Where do I start to find out why they aren't working?

    1991 GMC Sierra 1500 K1500 SLE 4WD Standard Cab SB

    -

    Maintenance & Repair

  • What transmission will fit 1991 GMC Sierra K1500 4WD V8-5.7L? 2 Answers

    I recently bought a 1991 GMC Sierra Club Cab. I knew that it would need to have the transmission replaced. I'm not a mechanic, by any means but have a friend who is kind of a jack of all trades and ...

    1991 GMC Sierra 1500

    -

    Maintenance & Repair

  • 1997 Gmc Sierra k1500. 1 Answer

    New battery, sits overnight and have to jump off the next morning, but will start fine the rest of the day. Had alternator and starter checked, they are fine, what can be draining the battery?

    1997 GMC Sierra 1500 K1500 SLE 4WD Extended Cab LB

    -

    Maintenance & Repair

  • 1993 GMC Sierra k1500 5.7 tbi 2 Answers

    Hi guys I have a 1993 GMC Sierra 5.7 k1500 my truck idles great and runs great if I give it gas but if I am in gear and start slowing down my truck starts to die. I changed the fuel filter and my p...

    1993 GMC Sierra 1500 K1500 SLE 4WD Extended Cab LB

    -

    Maintenance & Repair

Own this car?

Share your experience with others.

1991 GMC Sierra 1500

Write a car review

Review another car

Shortcuts

Search GMC Sierra 1500 Questions

CarGurus Experts

  • #1
    yetilikesbeer
    Reputation
    12,340
  • #2
    dragonflyoffshore
    Reputation
    11,490
  • #3
    John Saffrahn
    Reputation
    11,440
View All

Know more, shop wisely

Search

Related Models For Sale

Used Ford F-150
6,024 Great Deals out of 128,250 listings starting at $1,100
Used GMC Yukon
689 Great Deals out of 11,014 listings starting at $2,200

Used Cars for Sale

2024 GMC Sierra 1500 For Sale
80 Great Deals out of 42,337 listings starting at $28,434
2023 GMC Sierra 1500 For Sale
289 Great Deals out of 4,709 listings starting at $30,985
2022 GMC Sierra 1500 For Sale
173 Great Deals out of 1,637 listings starting at $28,590
2021 GMC Sierra 1500 For Sale
309 Great Deals out of 3,937 listings starting at $19,000
2020 GMC Sierra 1500 For Sale
192 Great Deals out of 2,347 listings starting at $17,990

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. Content will be removed if CarGurus becomes aware that it violates our policies.