car breaks up around 6800 rpm
Thread Starter
Evolving Member
Joined: Jan 2015
Posts: 218
Likes: 10
From: Dakota Oil Field
car breaks up around 6800 rpm
car is only running 12 psi its on an sd tune
changed map sensor
got rid of maf sensor
changed cam sensor
changed injectors
changed coil
changed map sensor
got rid of maf sensor
changed cam sensor
changed injectors
changed coil
Last edited by Dakota Evo; Dec 21, 2017 at 08:43 PM.
Newbie
Joined: Mar 2014
Posts: 73
Likes: 6
From: C
Not much to look at from the log but...
Load to KPA is off...
You seem to be running pig rich especially on the high rpms... (injector duty vs boost comparison)
Could be your MAF scaling is off... could be you have not tuned your afrs right... could be anything..
post a screen shot of your 3D VE table, Maf Scaling & Comp, Kpa to Load, Volts to KPA, High Oct fuel Map, Knock sensor filtering tables, together with a log that has afrs....
Load to KPA is off...
You seem to be running pig rich especially on the high rpms... (injector duty vs boost comparison)
Could be your MAF scaling is off... could be you have not tuned your afrs right... could be anything..
post a screen shot of your 3D VE table, Maf Scaling & Comp, Kpa to Load, Volts to KPA, High Oct fuel Map, Knock sensor filtering tables, together with a log that has afrs....
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