Changed my plugs last night!

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Cadillac Escalade, EXT and ESV Forum - 1999 - 2006 Discussion, Changed my plugs last night! in Cadillac Escalade Forums; I've had a slight stumble/miss when in gear and stopped. Slightly annoying, but no CEL's. So I grabbed some NGK ...
  1. #1
    Tylus's Avatar
    Tylus is offline Cadillac Owners Member
    Automobile(s): 2005 Escalade
    Join Date
    Dec 2013
    Pearl Harbor

    Changed my plugs last night!

    I've had a slight stumble/miss when in gear and stopped. Slightly annoying, but no CEL's. So I grabbed some NGK plugs and went at her!

    Stupid rubber boots have been sealed on there, and I'm sure those were the factory plugs @ 66,000 miles. Took me over 2hrs to do the swap, man that was a bear to find access to #7 and #8 cylinders. I thought my Ford Modular motors were bad for

    Anyways, buttery smooth idle now while in gear and stopped. Hopefully see a little MPG gain as well, but I doubt it

    Drivers Side

    Passenger Side

    btw, just wanted to throw out there that there is no way in hell those are 100,000 mile plugs. I checked their gaps and it was on average 0.080. Those are platinum tip plugs and they are supposed to be 0.060 gap from factory. I put the new plugs in with a gap of 0.040 per the TSB since my new plugs were iridium tips.


    I've never believed that 100,000 mile crap that Ford/Dodge/GM have gone to, and this illustrates it perfectly to me. I typically do a 2yr or 30,000 mile swap personally. Plugs are cheap, I think I paid $32 for a set of 8 "middle of the road" plugs for the 6.0.

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  3. #2
    the cadillac man's Avatar
    the cadillac man is offline Cadillac Owners Master
    Automobile(s): 03 cadillac escalade
    Join Date
    Mar 2011
    speedwell tn,
    I changed mine at 120,000 and I agree it did make a difference in the idle and power of the engine

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