Subaru Impreza Forum

mark81 · 04 Dec 2012, 10:53 PM

Just replaced all 4 sparkplugs with platinum, only to have a misfire problem 2 weeks later. I have since had to replace seals as one plug was soaking in oil. They replaced that single plug with a regular plug, leaving 3 platinums.

Is there any problem with having different brand/types of plugs running in a car, am I best to change all of them?

shambles · 05 Dec 2012, 07:38 PM

Can't see it being an issue. Could they not have cleaned the platinum one?

04 Dec 2012, 10:53 PM	#1 (permalink)
mark81 Fresh Scooby Join Date: Mar 2011 Posts: 18	single spark plug replacement Just replaced all 4 sparkplugs with platinum, only to have a misfire problem 2 weeks later. I have since had to replace seals as one plug was soaking in oil. They replaced that single plug with a regular plug, leaving 3 platinums. Is there any problem with having different brand/types of plugs running in a car, am I best to change all of them?
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05 Dec 2012, 07:38 PM	#2 (permalink)
shambles Senior Scooby Join Date: Jan 2010 Posts: 1,370	Re: single spark plug replacement Can't see it being an issue. Could they not have cleaned the platinum one?
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