Model Year 2012 to 2017 Finally conquered the spark plug DIY - Page 3

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Thread: Finally conquered the spark plug DIY

  1. #21
    Senior Member CRAZYHAWK's Avatar
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  3. #22
    Senior Member ironman1518's Avatar
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    Have had many, many years experience with ND (Denso) spark plugs. So when I went to replace mine in my 2013 I bought Denso FXE22HR11 ( 3442 ) Iridium Long Life. The engine starts up "maybe" a bit quicker and runs smoother, "maybe" than with the NGK's. BUT I did notice that prior to the plugs, I changed the transmission fluid, differential fluids and rotated the Micheline's I'd put on it. And I got about 2 miles to the gallon better. NOW with the new Densos' the mileage "appears" to have increased again. ONLY going by the miles used/gas gauge and miles to go till empty gauges. I'll re-post what it is with the new plugs when I re-fill the car.

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    Senior Member troutbum's Avatar
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    Quote Originally Posted by ironman1518 View Post
    Have had many, many years experience with ND (Denso) spark plugs. So when I went to replace mine in my 2013 I bought Denso FXE22HR11 ( 3442 ) Iridium Long Life. The engine starts up "maybe" a bit quicker and runs smoother, "maybe" than with the NGK's. BUT I did notice that prior to the plugs, I changed the transmission fluid, differential fluids and rotated the Micheline's I'd put on it. And I got about 2 miles to the gallon better. NOW with the new Densos' the mileage "appears" to have increased again. ONLY going by the miles used/gas gauge and miles to go till empty gauges. I'll re-post what it is with the new plugs when I re-fill the car.


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  6. #24
    Senior Member ironman1518's Avatar
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    Quote Originally Posted by ironman1518 View Post
    Have had many, many years experience with ND (Denso) spark plugs. So when I went to replace mine in my 2013 I bought Denso FXE22HR11 ( 3442 ) Iridium Long Life. The engine starts up "maybe" a bit quicker and runs smoother, "maybe" than with the NGK's. BUT I did notice that prior to the plugs, I changed the transmission fluid, differential fluids and rotated the Micheline's I'd put on it. And I got about 2 miles to the gallon better. NOW with the new Densos' the mileage "appears" to have increased again. ONLY going by the miles used/gas gauge and miles to go till empty gauges. I'll re-post what it is with the new plugs when I re-fill the car.
    Refilled gas tank and figured out mileage, got 28.8 mpg. About 2 mpg better than my over all average in the past. Haven't filled the second time yet to re-check. {Yeah usually don't drive much}.

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