misfire on my 1998 GMC pu. 1500 , 5.0

Asked by Mar 25, 2015 at 08:11 AM about the 1998 GMC Sierra 1500 C1500 SLE Extended Cab LB

Question type: Maintenance & Repair

my truck just all the sudden started running ruff , the code reads random misfire .
as I am driving the service engine light flashes .  was running fine before

4 Answers

90

Check your spark plug gap. And regap accordingly.

8,095

Sounds more like an ignition module or coil issue

1 of 1 people found this helpful.
15

it wouldn"tstart it running ruff and wants to shut off

1 of 1 people found this helpful.
8,095

Oh yes it could

Your Answer

Sierra 1500

Looking for a Used Sierra 1500 in your area?

CarGurus has 64,898 nationwide Sierra 1500 listings starting at $999.

ZIP:

GMC Sierra 1500 Experts

  • #1
    dragonflyoffshore
    Reputation
    5,460
  • #2
    John Saffrahn
    Reputation
    3,780
  • #3
    Glenn Clingenpeel
    Reputation
    3,470
View All

Related Models For Sale

Used Chevrolet Silverado 1500
2,742 Great Deals out of 175,326 listings starting at $955
Used Ford F-150
3,293 Great Deals out of 224,470 listings starting at $1,200
Used Dodge Ram 1500
413 Great Deals out of 11,096 listings starting at $1,500
Used Toyota Tacoma
724 Great Deals out of 45,868 listings starting at $2,500
Used GMC Yukon
615 Great Deals out of 20,556 listings starting at $2,500
Used Chevrolet Tahoe
829 Great Deals out of 42,143 listings starting at $1,987
Used Ford F-250 Super Duty
449 Great Deals out of 49,398 listings starting at $1,899
Used Cadillac Escalade
292 Great Deals out of 11,844 listings starting at $1,200
Used Chevrolet Camaro
443 Great Deals out of 31,892 listings starting at $1,450

Used Cars For Sale

2018 GMC Sierra 1500 For Sale
3 Great Deals out of 26,504 listings starting at $23,419
2017 GMC Sierra 1500 For Sale
86 Great Deals out of 10,675 listings starting at $20,369
2016 GMC Sierra 1500 For Sale
175 Great Deals out of 4,105 listings starting at $16,404
2015 GMC Sierra 1500 For Sale
192 Great Deals out of 5,659 listings starting at $14,995
2014 GMC Sierra 1500 For Sale
220 Great Deals out of 5,002 listings starting at $9,900

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.