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P0300 on Evo IX after HKS 272 intake cam install.

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Old Oct 3, 2008, 06:32 AM
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ok any update?
Old Oct 4, 2008, 07:10 PM
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Bad crank sensor that broke down on me toady was the cause of the problem.
Old Oct 4, 2008, 07:12 PM
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go with a step colder plug.. should solve your problem
Old Oct 5, 2008, 06:44 AM
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...and that what was causing your code?
Old Oct 6, 2008, 06:38 AM
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yes since the timings were off from time to time...
Old Oct 6, 2008, 04:36 PM
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and how did you figure this out...im just curious... because i worked mine out...
Old Oct 9, 2008, 12:23 PM
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ha thought i worked mine out.... i have the okada packs on now i thought that helped a little but this morning had the car idling after i changed my tranny fluid and bang same code again
Old Oct 10, 2008, 03:26 AM
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humm, I am interested to see how my cams will do on my car, going to have them on very soon. Ill be looking back for tips if I have any problems ahead of time THANKS ALL FOR INPUT, cant wait for my cams, 280 272 combo im giddy and I dont even have them.
Old Mar 23, 2009, 01:37 PM
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Bump on this... Im having the sma eproblem with y IX
Old Mar 23, 2009, 03:49 PM
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Lower timing in the alt ingnition maps should help. Hopeless people like me look for the disable p0300 test in the tuning section. I used it and have not thrown the code in a long time. I used to throw it every 7-10 sec. on the highway. It made my car almost unbearable to drive. I had to constantly take my foot of the throttle and get back on it.
Old Oct 14, 2009, 07:21 PM
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Thread revival!!

I'm from Australia but the OP had the exact issue i do.
misfiring/stuttering at random times, always part throttle, and much MUCH worse when engine is cold. Sounds like it's running on 3 cylinders.
I also changed plugs and coilpacks. It was back within a week.
sounds like a carbon copy of Xpehbam's problem.

*OP - So how did you diagnose the Crank Angle Sensor as being faulty?*

I've got a IX with cosworth 272s / Green / 700cc injectors.
problem started approx 3 months after it was all installed, no CELs prior to this P0300.
clear it, and it's always back within an hour or so of driving.
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