spark plugs

  1. iboughtatahoe23

    Question about AFM

    I drive a 2014 Tahoe with 175,000 miles on it. It was making a weird rattling noise when it was in V4 mode around 25 miles an hour so I got the plug-in disabler off Amazon and it stopped the noise and it keeps the vehicle and V8 mode so it can’t go into V4 mode to make the noise. Anyway...
  2. iboughtatahoe23

    So I finally changed my plugs and wires.

    Bought them last summer and just now getting to them. I have a few questions. It was a pretty easy but I noticed some of the plugs tips were ashy red, some were ashy white and some had oil on the threads. At 175k my dad keeps saying it’s normal for high miles. Need a second opinion. I was gonna...
  3. J

    Spark Plugs keep fouling & P0172 code

    Brief History: This has been going on for years now. I made a post in 2021 and that helped solve some of the problems I was having! But now I've narrowed down a specific, reoccurring issue: fouling plugs Reoccurring Issue: About twice a month I'll get a P0172 — System Too Rich Bank 1. Rarely...
  4. R

    Still shaking and hesitating after new spark plug change

    I changed spark plugs on 2019 Chevy Suburban with brand new OEM spark plugs and wires and car is still shaking and hesitating on acceleration with no check engine sign. It feels like engine is spitting on acceleration.
  5. denalilex

    re-rebuild findings - 310K mi. spark plug

    so as im sure a handful of you know - my gen 1 6L80 finally got tired enough to throw in the towel & so while i have taken on my first ever trans rebuild/overhaul - of which im taking an over abundance of caution with & patience with myself - i’ve also decided to tend to some parts that REALLY...
  6. StatutoryAPE

    Summit Racing coilpacks and wires

    Hey guys. I just wanted to show off my new summit racing parts. I needed to change spark plugs so I figured I'd do the wires and coils as well. My 07 Tahoe has 160k on it, I've owned it for 5 years now and I think this is the first time these have been changed. I liked the fact that these...
  7. D

    Dielectric grease applied to both ends of ignition wires

    So, I'm a moron. It's been years since I've changed plugs and wires. This week, I installed new Delco platinum plugs and new Delco wires on my 2003 GMC Yukon 5.3L 2wd with Delphi coils, about 150k on the motor. Everything went well with getting the old plugs out and new plugs in. Then, I...
    • dukbludvl
    • Thread
    • delphi coils dielectric grease ignition coils ignition wires misfire plugs spark plugs stall wires
    • Replies: 26
    • Forum: Engine & Drivetrain
  8. SpThomass

    Spark Plug Removal Issues

    So I’m having a mad hard time to change my spark plugs, The ignition wires, and during the process the spark plug heat shields came off. Any tips ? Anyone have any experience with this or has encountered the same thing? thanks in advance
  9. B

    Spark Plugs

    Can anybody link me to a spark plug forum? Coming up on maintenance and want to look at brand preferences...

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