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View Full Version : Slight Misfire HELP!!

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95talonracer
02-11-2008, 02:08 PM
Nope i unplugged the battery and that did nothing. I also tryed a different ECU.
Shane@DBPerformance
02-11-2008, 02:32 PM
Did the P0300 code go away when you reset the ECU?
95talonracer
02-11-2008, 02:56 PM
Well I found the problem, another broken valvespring!!!!!!!! WTF! I am putting in all new valvesprings. All i need is a roller rocker now just one! What I dont understand is how it could hold perfect compression when the valvespring and roller rocker was broke on the cylinder? We will see what happens here. When it started acting up there was not any LOUD noises it just started acting funny. I suppose that it was a slight misfire because the valve was stuck shut and only one valve was letting out the exhaust (exhaust valve spring broke) making it restricted which would hold it back?