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interprodave

Mitsubishi Evo misfire/cut

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Hi ,

I am new to this forum and the Vipec product ,we are having a issue with a new Mitsubishi Evo 3 plug and play system using the internal map sensor and air temp wired into the maf sensor

All pressure and temp readings are good but I have a load based misfire above 12 psi of boost at which it misfires /cuts at 3500 rpm ,below 12 psi it revs through no problem .Ive put a fcd on the standard ecu ,retarded the timing and it runs ok

Ive restored all the factory settings in the Vipec and still has the problem ,all boost and rev limits are well above the point of cut

I would be grateful for any advise

Cheers Dave

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First thing to check will be that you have resistive plugs fitted. This is very critical on wasted spark applications.

Also look for any errors in RPM reading or triggers in the runtime displays.

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