Page 1 of 1
p0300 misfire after map
Posted:
Mon Apr 19, 2010 8:06 amby gordon1
Hi i have an evo 8 in that we have fitted a new clutch in and mapping
the mapping went well
but later on after some driving the car has a random misfire and gets the code p0300
has any 1 had this before
Re: p0300 misfire after map
Posted:
Mon Apr 19, 2010 11:23 amby todd-w
did you adjust tps ?? and or add timing at idle /cruise
Re: p0300 misfire after map
Posted:
Tue Apr 20, 2010 3:28 amby gordon1
no more than any other evo i have done
some one has said to change the rom id to 96260009 ???
and some one also said it could be the lighter flywheel ??
Re: p0300 misfire after map
Posted:
Tue Apr 20, 2010 1:38 pmby todd-w
adjusting the tps to 100% at wot seems to aggravate it , i had it on my own 4 with evo7 ecu using 90550001 if i adjust tps to 100% at wot i get po300 if i leave it at 98 % i dont .
Re: p0300 misfire after map
Posted:
Wed Apr 21, 2010 2:18 amby gordon1
i have put the std map back in and it still does it when it has been running for some time
some one told me its the lighter flywheel ? but cannot see how it could be lol
Re: p0300 misfire after map
Posted:
Wed Apr 21, 2010 12:48 pmby todd-w
doubt very much if the flywheel would cause that il have one here next week with the same prob il see what cures it or maybe what doesnt
Re: p0300 misfire after map
Posted:
Thu Apr 22, 2010 12:24 amby gordon1
ok
the car drives very well with no miss if you keep it above 75mph it does not seem to do it
if you sit at 55mph it will start to miss (run on 3 )
Re: p0300 misfire after map
Posted:
Thu Apr 22, 2010 10:17 amby todd-w
thats the usual story with it