Changed the sparkplugs on my 07 dodge durango 4,7 flex fuel motor. cause of a small skip an lack of power when going up an incline on flat no problem. the truck had the champion rc12mmc4. a 2.50 plug i put in ac 41-806 6,00 minor skip gone. but when going up hill it loses power. i also tried some injector cleaner. it seems a little better at times. then the next time it go,s back an have to step on it more not a little either. open to suggestions
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never even thought of it. thanks will try it
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