02 gmc sierra wont stalls and misfirese sometimes

Asked by Dixiep23 Jan 17, 2019 at 04:00 PM about the 2002 GMC Sierra 1500 SLE Extended Cab SB

Question type: Maintenance & Repair

I have a 2002 gmc sierra 1500 and sometimes when i start it it runs fine and then it while driving it will just start misfiring and stall out so bad it dies or wont pull at all. i have changed coil packs and plugs to new the only thing that comes up on the reading at part store is o2 sensors and abs sensors and soemone else told me it may be the cadillac convertor stopped up. does anyone else have this problem and know what i should do to fix it.

1 Answer

GuruB6LXN answered 5 years ago

Have a compression test done. Could be a broken valve spring. Had the same thing happen to my 07 sierra and after spending hundreds of dollars, ended up being a 5 dollar part.

Mark helpful

Your Answer:

Related Questions

  • 02 gmc sierra wont stalls and misfirese sometimes 1 Answer

    I have a 2002 gmc sierra 1500 and sometimes when i start it it runs fine and then it while driving it will just start misfiring and stall out so bad it dies or wont pull at all. i have changed coil pa...

    2002 GMC Sierra 1500 SLE Extended Cab SB

    -

    Maintenance & Repair

  • 2008 gmc sierra 1500 loses rpm's and stalls 1 Answer

    I have a 2008 gmc sierra 1500 that loses rpm's, stalls at stops and when I try to make a turn, its also jerking hard into 2nd gear, I already took it to a mechanic and he told me that the catalyti...

    2008 GMC Sierra 1500 SLE1 Ext. Cab 4WD

    -

    Maintenance & Repair

  • 1994 GMC Sierra stalls out while driving and in park. 2 Answers

    1994 GMC Sierra stalls out while driving and in park. Doesn't want to accelerate and getting poor gas mileage. Already changed spark plugs, spark plug wires, fuel filter Not sure if this is related...

    1994 GMC Sierra 1500

    -

    Maintenance & Repair

  • 88 gmc sierra tv cable comes off and wont shift 2 Answers

    truck wont shift unless rpms are high then let of gas until it shifts . tried adjusting the tv cable but it just comes right off.

    1988 GMC Sierra 1500 C1500 Standard Cab SB

    -

    Maintenance & Repair

  • 1998 gmc sierra 1500 wont start 1 Answer

    I have a 1998 GMC Sierra 1500 and it will not start. It died on me while I was driving and I had it brought back to my house. I have replaced the fuel filter, the starter and the battery. And I had...

    1998 GMC Sierra 1500 C1500 SLE Extended Cab LB

    -

    Maintenance & Repair

Shortcuts

Search GMC Sierra 1500 Questions

CarGurus Experts

  • #1
    yetilikesbeer
    Reputation
    12,360
  • #2
    dragonflyoffshore
    Reputation
    11,520
  • #3
    John Saffrahn
    Reputation
    11,450
View All

Find great deals from top-rated dealers

Search

Related Models For Sale

Used Chevrolet Silverado 1500
163 Great Deals out of 7,251 listings starting at $6,995
Used Ford F-150
305 Great Deals out of 13,744 listings starting at $3,888
Used GMC Sierra 2500HD
28 Great Deals out of 2,069 listings starting at $7,997
Used Toyota Tundra
28 Great Deals out of 933 listings starting at $10,698
Used Chevrolet Silverado 2500HD
32 Great Deals out of 1,555 listings starting at $5,990
Used GMC Yukon
15 Great Deals out of 966 listings starting at $6,900
Used Toyota Tacoma
36 Great Deals out of 831 listings starting at $9,975
Used Dodge RAM 1500
4 Great Deals out of 85 listings starting at $3,990
Used Ford F-250 Super Duty
24 Great Deals out of 763 listings starting at $3,990
Used Chevrolet Tahoe
14 Great Deals out of 779 listings starting at $7,499

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.