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

Asked by robebish6 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

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

1 people found this helpful.
224,165

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

Your Answer:

CarGurus Experts

  • #1
    yetilikesbeer
    Reputation
    12,850
  • #2
    dragonflyoffshore
    Reputation
    11,810
  • #3
    John Saffrahn
    Reputation
    11,730
View All

Find great deals from top-rated dealers

Search

Related Models For Sale

Used Chevrolet Silverado 1500
187 Great Deals out of 5,939 listings starting at $2,975
Used Ford F-150
311 Great Deals out of 13,584 listings starting at $1,712
Used GMC Sierra 2500HD
30 Great Deals out of 1,490 listings starting at $8,000
Used Toyota Tundra
34 Great Deals out of 1,334 listings starting at $8,995
Used Chevrolet Silverado 2500HD
27 Great Deals out of 1,243 listings starting at $9,500
Used GMC Yukon
13 Great Deals out of 889 listings starting at $4,894
Used Toyota Tacoma
43 Great Deals out of 1,084 listings starting at $9,998
Used Dodge RAM 1500
5 Great Deals out of 64 listings starting at $3,000
Used Chevrolet Tahoe
11 Great Deals out of 905 listings starting at $12,900
Used Ford F-250 Super Duty
18 Great Deals out of 1,152 listings starting at $8,995
Used GMC Canyon
31 Great Deals out of 1,242 listings starting at $5,995
Used Chevrolet Colorado
33 Great Deals out of 1,594 listings starting at $4,995

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