rough running

245

Asked by Sonnyone May 31, 2014 at 05:30 PM about the 2000 Chevrolet Silverado 1500 LS 4WD

Question type: Maintenance & Repair

put in ngk TR51x spark plugs iridium under my hood it says gap is .060 these plugs were gapped at . 040 i was told to leave them gapped at .040 . should i have changed the gap to .060 ? any help would be appreciated

10 Answers

199,615

They say according to the type of plug there is a gap difference. One type is .060 and the other is .040. Your gap is probably not your issue. Did all you plug wire snap on tight? Did you replace plug wires too? If so are they in correct order? Could you have accidentally unplugged something while changing them.

7 people found this helpful.
199,615

Platinum plugs are gapped at .060 (oem). Iridium plugs are an upgrade and should be gapped at .040.

15 people found this helpful.
245

went and bought new wires according to the coil number. started up truck ran great. stopped to pick up some items truck ran rough. will be getting ac delco plugs tomorrow. i appreciate both of you people for helping will let u know how it goes. whay would be the best spark plug to use

5 people found this helpful.
245

i bought new wires according to the number on my coils what plugs do you want me to try and also on the shroud it says .060 gap what gap do i use

4 people found this helpful.
245

plugs originally were autolite app605 at .060 should i order them or get iridium and use gap of .040

7 people found this helpful.
245

put in autolite wires and ac double plainium plugs. truck ran great shut it off after a run and it ran rough. let it sit overnite started great did my erran 25 miles away started truck again ran rough no power???????

3 people found this helpful.
245

will try the sea foam today and check the fuel lines thank you

2 people found this helpful.
245

hi sorry it has been soooooo long in follow up tried a can a week of sea foam and it cleared the injectors right up you could actually feel when something went through. if anyone is having issues like i did go the sea foam route short money worth the shot tennisshoes very helpful cudos

2 people found this helpful.
50

The .060 gap gas been corrected in a bulletin to .040. The AC DELCO double platinum plugs come .045 and should not be changed, just checked before installing. https://www.youtube.com/user/How2Auto

5 people found this helpful.

Your Answer:

Silverado 1500

Looking for a Used Silverado 1500 in your area?

CarGurus has 130,168 nationwide Silverado 1500 listings starting at $2,450.

ZIP:

Own this car?

Share your experience with others.

2000 Chevrolet Silverado 1500

Review another car

CarGurus Experts

  • #1
    Rowefast
    Reputation
    10,390
  • #2
    John Carson
    Reputation
    9,550
  • #3
    Andrew Olsen
    Reputation
    9,380
View All

Know more, shop wisely

Search

Related Models For Sale

Used GMC Sierra 1500
1,852 Great Deals out of 60,570 listings starting at $3,495
Used Ford F-150
5,926 Great Deals out of 119,221 listings starting at $1,995
Used Chevrolet Silverado 2500HD
1,086 Great Deals out of 29,935 listings starting at $4,000
Used Toyota Tundra
983 Great Deals out of 31,359 listings starting at $2,922
Used Dodge RAM 1500
89 Great Deals out of 1,569 listings starting at $900
Used Toyota Tacoma
1,543 Great Deals out of 26,337 listings starting at $3,700
Used Chevrolet Tahoe
1,061 Great Deals out of 19,920 listings starting at $2,264
Used GMC Sierra 2500HD
545 Great Deals out of 19,474 listings starting at $4,950
Used Ford F-250 Super Duty
1,329 Great Deals out of 37,803 listings starting at $2,490
Used Chevrolet Camaro
549 Great Deals out of 10,090 listings starting at $2,000
Used Ford Mustang
895 Great Deals out of 24,130 listings starting at $1,800

Used Cars for Sale

2024 Chevrolet Silverado 1500 For Sale
62 Great Deals out of 79,040 listings starting at $28,190
2023 Chevrolet Silverado 1500 For Sale
399 Great Deals out of 9,034 listings starting at $27,370
2022 Chevrolet Silverado 1500 For Sale
553 Great Deals out of 6,709 listings starting at $22,900
2021 Chevrolet Silverado 1500 For Sale
492 Great Deals out of 7,732 listings starting at $16,468
2020 Chevrolet Silverado 1500 For Sale
426 Great Deals out of 5,076 listings starting at $13,000

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.