How can I tell if a coil pack is starting to go bad? Truck runs rough at a complete stop

Asked by Feb 08, 2017 at 03:52 PM about the 2007 GMC Sierra 1500 SLE1 Ext. Cab SB 4WD

Question type: Maintenance & Repair

I just had new plugs, and wires put on
Possibility of bad gas?
Possible fuel filter?

2 Answers

74,105

If a coil goes bad you will get a CEL warning. It may take a few miles of driving before the code shows up.

73,035

Then take it off an bring it to an auto parts store for testing it to see if it is bad.

Your Answer

GMC Sierra 1500 Experts

  • #1
    dragonflyoffshore
    Reputation
    5,300
  • #2
    John Saffrahn
    Reputation
    3,660
  • #3
    Glenn Clingenpeel
    Reputation
    3,350
View All

Related Models For Sale

Used Chevrolet Silverado 1500
164 Great Deals out of 10,533 listings starting at $100
Used Ford F-150
428 Great Deals out of 9,065 listings starting at $922
Used GMC Sierra 2500HD
25 Great Deals out of 985 listings starting at $6,500
Used Toyota Tundra
17 Great Deals out of 779 listings starting at $4,499
Used Dodge Ram 1500
59 Great Deals out of 530 listings starting at $2,995
Used Toyota Tacoma
33 Great Deals out of 800 listings starting at $5,995
Used Chevrolet Silverado 2500HD
10 Great Deals out of 837 listings starting at $899
Used GMC Yukon
15 Great Deals out of 851 listings starting at $5,950
Used Chevrolet Tahoe
7 Great Deals out of 619 listings starting at $6,871
Used Ford F-250 Super Duty
18 Great Deals out of 799 listings starting at $6,000
Used Chevrolet Colorado
13 Great Deals out of 1,346 listings starting at $4,499
Used GMC Canyon
26 Great Deals out of 1,316 listings starting at $1,995
Used Nissan Titan
23 Great Deals out of 676 listings starting at $3,722

Used Cars For Sale

2017 GMC Sierra 1500 For Sale
11 Great Deals out of 6,723 listings starting at $24,295
2016 GMC Sierra 1500 For Sale
23 Great Deals out of 223 listings starting at $21,988
2015 GMC Sierra 1500 For Sale
65 Great Deals out of 575 listings starting at $20,950
2014 GMC Sierra 1500 For Sale
36 Great Deals out of 519 listings starting at $16,994
2013 GMC Sierra 1500 For Sale
26 Great Deals out of 243 listings starting at $10,995

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.