Miss Fire!!

MazdaS62006

Member
:
MazdaSpeed6 GT 2006
My MazdaSeed6 is miss firing! When I cruise, ( cruise control or not,) it feels like my car is jerking forward a bit.
I had a mechanic plug his scanner in my car, and some code popped up, P0300 or P300. Something like that.
He said that it means there's a miss fire, but its not accurate enough to know where the miss fire is coming from.
Anybody have an idea? I wanna avoid bringing my car to Mazda cause they charge an arm and a leg!
plz help! thanx
 
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