Have problems with idle on my pick up

Asked by GuruXCP35 Oct 23, 2018 at 08:41 AM about the 1994 GMC Sierra 1500 C1500 SLE Extended Cab Stepside SB

Question type: Maintenance & Repair

I have a 94 gmc sierra c1500 4.3L I change out the head
gaskets and when I put it back together I try to turn it on  all
it will do is crank and crank over but if I push acceleration
pedal it will start right up. Then I'll let go of the pedal it will
die on me any suggestion to help me solve my problem

2 Answers

GuruX22BC answered 6 years ago

Possible ISC ( idle speed control) on side of throttle body. Or" IAC" Idle air control" sensor/sensors..or a short somewhere in in electrical connections..

Mark helpful

Your Answer:

Related Questions

  • Have problems with idle on my pick up 2 Answers

    I have a 94 gmc sierra c1500 4.3L I change out the head gaskets and when I put it back together I try to turn it on all it will do is crank and crank over but if I push acceleration pedal it will ...

    1994 GMC Sierra 1500 C1500 SLE Extended Cab Stepside SB

    -

    Maintenance & Repair

  • What's wrong with my 1988 GMC 1500 pick up with 350 motor? 2 Answers

    The check gages light comes on and the temp gage climbs to max for a minute or so. It then will immediately go back to normal. This doesn't seem to effect the performance.

    1988 GMC Sierra 1500 C1500 Standard Cab SB

    -

    Maintenance & Repair

  • My 96 GMC 1500 pick up has battery light on 2 Answers

    Battery light is on, electrical gauge is past 19 in orange zone, engine surges until it dies (or is shut off). Starts normal and idles normal with auto-start. Turn key to on position and still idles...

    1996 GMC Sierra 1500

    -

    Maintenance & Repair

  • starting problems with my 2000 sierra 2 Answers

    My sierra has been starting and running fine. New battery 5 months ago. Went to dinner truck started fine , jump in the truck to leave will not start. Have full battery power on everything. When I tur...

    GMC Sierra 1500

    -

    Maintenance & Repair

  • My 1993 GMC 1500 sierra pick up wont start 1 Answer

    Hello I have a 93 gmc I had all the spark plugs changed the wires as well but the fan and belt will turn but still won't fire up the starter is still good

    1993 GMC Sierra 1500 C1500 Extended Cab SB

    -

    Maintenance & Repair

Sierra 1500

Looking for a Used Sierra 1500 in your area?

CarGurus has 72,886 nationwide Sierra 1500 listings starting at $1,900.

ZIP:

Own this car?

Share your experience with others.

1994 GMC Sierra 1500

Write a car review

Review another car

Shortcuts

Search GMC Sierra 1500 Questions

CarGurus Experts

  • #1
    yetilikesbeer
    Reputation
    12,840
  • #2
    dragonflyoffshore
    Reputation
    11,750
  • #3
    John Saffrahn
    Reputation
    11,690
View All

Know more, shop wisely

Search

Related Models For Sale

Used Ford F-150
6,590 Great Deals out of 171,641 listings starting at $1,999
Used GMC Yukon
715 Great Deals out of 15,842 listings starting at $2,996
Used Toyota Tacoma
2,266 Great Deals out of 56,820 listings starting at $3,995
Used Dodge RAM 1500
79 Great Deals out of 1,410 listings starting at $975
Used Chevrolet Tahoe
1,437 Great Deals out of 34,853 listings starting at $1,550
Used Chevrolet Corvette
804 Great Deals out of 14,606 listings starting at $4,999

Used Cars for Sale

2025 GMC Sierra 1500 For Sale
35,056 listings starting at $32,565
2024 GMC Sierra 1500 For Sale
224 Great Deals out of 17,398 listings starting at $25,310
2023 GMC Sierra 1500 For Sale
251 Great Deals out of 3,026 listings starting at $24,998
2022 GMC Sierra 1500 For Sale
146 Great Deals out of 1,882 listings starting at $24,607
2021 GMC Sierra 1500 For Sale
302 Great Deals out of 3,481 listings starting at $20,396

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.