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94 s350, 93 dodge cummins 250
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95 Posts
Discussion Starter #1
less than 1000 miles ago i did a plug change and put in bosch platinum plus 2.

on a trip to new hampshire i smelled something burning but never located the issue.

On the way home a check engine light appeard and i lost a cylinder.

after diagnosing with scan tool i had to change a coil so i also put in new plugs ( copper core bosch stock replacement).

So i was thinking that the large gap of the bosch platinums caused the coils to run hot eventually cooking one.

Does that sound right or the coil failure was a coincidence?

wwhatta you think? Oh i was warned on this board not to run them!

Steve
 

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13 Fiat 500, 06 Suzuki, 04 MB CLK500C, 02 LR DII, 90 MB 560SEL, 90 MB 560 SEC.
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562 Posts
Plug gap should Always be set by the end user at time of installation, to what is recommended in the factory manuals. You can change a heat range on a plug for overall climate (i.e. Mass. to Florida), but the gap should always stay the same. I've always run Bosch Platinums and Plat +4's in all of my cars with no issues... but I also research my plug gaps and make sure they are at factory specs before install as well.

Hope you find the culprit, but it sounds like coincidence to me, unless you didn't set your gaps correctly.
 
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