Table of Contents
Does Megasquirt need IAC?
Yes, you can run without an IAC valve.
Does the ECU control idle?
The Idle Control function allows your ECU to control the engine idle speed. There are multiple ways this is achieved with either Drive-By-Wire (DBW) control, a Bypass Air Control (BAC) solenoid with either two or 3 wire types, or via a Stepper Motor system.
What is a cold start tune?
By Andre Simon. Cold start tuning is an area that a lot of tuners and enthusiasts really struggle with. This really comes down to not having a full understanding of the fundamentals behind it and not knowing how to make the necessary adjustments in order to get the cold start working perfectly.
Can idle speed be adjusted?
Disconnect the idle air adjustment valve by locating and disengaging the electronic connector that holds it to the throttle body. Turn the idle screw to adjust the idle—turn the screw to the left to increase the RPM or to the right to lower it.
Can MS2 control stepper idle valves?
4-wire stepper idle valves are common on many GM vehicles. MS2 can control these directly. All that is required is that internal jumper wires are installed a) JS0 to IAC1A b) JS1 to IAC1B c) JS2 to IAC2A d) JS3 to IAC2B e) JS9(+12V) to S12C
Is the MS2 engine controller any good?
If you are looking for a straightforward aftermarket engine controller with a standard set of features the MS2 is an excellent choice. There are tens of thousands of MS2-powered engines all over the world, and it has successfully been used on everything from 1 to 16 cylinders!
What is the ms2/v3 ECU?
The MS2/V3.0 is an ECU based on Megasquirt-2 technology, consisting internally of an MS2 card installed on a through-hole DIY V3.0 mainboard. This manual covers MS2/V3.0 specific installation details and should be used in conjunction with the general Setting up and TunerStudio reference manuals.
What is ms2/extra?
MS2 Extra changed the landscape for the do-it-yourself, hardcore hobbyist racer providing an affordable engine management system built to support all facets of competitive racing. Just ask Austin Emrany, who took his turbo charged sbf Mustang into the 8’s with his MS2/Extra system!