MSefi.com read only forum (Jan.15,2018)

That didnt help at all

So basically after reading everything i have the assembled ms2 ver 3.57 with the vb921 all i need to do is de-solder q16 and then solder in the bip373 and not use the resistor?

You have three listed on your site which one should i order?

Its the vb921 its a box that DIYAutoTune built for me i did not assemble it i bought it as a assembled kit with the 4 bar map sensor.

I have ms2 ver 3.57 with the vb591 i think thats what its called installed on my turbocharged ka24de and out of the blue it started missing under any type of load in or out of boost.I have checked and or changed the following; cap, rotor, dizzy, wires, plugs and my msd6al plus i have checked all my ...