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MS3 Firmware Release: MS3 pre-1.6 alpha 1 firmware
For our customers that like to be on ‘the bleeding edge’ of new features, this pre-release ‘alpha’ firmware has just been released for all MS3 and MS3 based ECUs including MS3Pro PNP and MS3Pro Evo/Ultimate/Gen1 products. Alternately, in some cases our Tech Support Team may suggest you try this to add a particular feature or address a particular issue.
Read MoreThe Heart of it ALL: Electric Fuel Pumps
In this week’s DIYAutoTune QuickTip we explore the world of automotive electric fuel pumps, plumbing, and wiring in this comprehensive guide. Discover how these components impact reliability and engine performance. From selecting the right pump size to maintaining optimal flow, we cover every aspect to help you ensure success right from the start!
Read MoreMS3Pro Closed Loop Idle – PWM Valve
In this guide, we’ll walk you through the fundamentals of setting up and tuning Closed Loop Idle Control – PWM Valve. Our aim is to present the information in a straightforward way, making it accessible even if you’re not deep into engine management theory. We’ll provide real-world examples and recommended settings based on the vehicles…
Read MoreMS3Pro Injector Deadtime
In this article, we will explain how to convert injector dead time settings into a format suitable for your MS3Pro. We will be covering the below situations: Injector Deadtime Spreadsheet FW 1.5.x or Older FW 1.6.x or Newer Updating from FW 1.5.x to 1.6.x or Newer If you have updated your firmware to Version 1.6.x…
Read MoreUsing DIYAutoTune.com’s Revised Pattern Nissan Optical Trigger Discs
Converting your Nissan distributor to a more MegaSquirt friendly design Many Nissans used a distributor or CAS with a set of four or six inner slits and 360 outer slits. Current MS3 firmware supports the SR20DET, RB series, and VG30DE/DETT trigger wheels, but MS1 and MS2 are only able to use this type of trigger…
Read MoreGreg Banish’s Ignition System Remix
Greg Banish, Calibrated Success Our gasoline (and ethanol flex fuel!) engines rely heavily upon their ignition system for proper operation. The process of making power begins with the spark inside the cylinder lighting off a chain reaction between fuel and air molecules that releases heat and increases cylinder pressure well beyond the normal compression work…
Read MoreThe EFI Tuners Guide Chapter 5A -The EFI Fuel System: Overview
An overview of the EFI Fuel System and it’s major components, discussing fuel tanks and cells, fuel pumps, filters, regulators, etc. A high level of how to design a complete fuel system for a vehicle with Electronic Fuel Injection/EFI.
Read MoreTuning the MAT / IAT Correction Table to eliminate Heat Soak
Have you ever been driving your car, maybe on a warm day, and all is going well. You park and shut ‘er down for a few minutes, come back to fire her up, and she runs completely different, or struggles to run at all for a few seconds? We can help! Here’s how to eliminate Heat Soak issues during hot restarts, we walk you through dialing this in on your MegaSquirt, MSPNP, or MS3Pro ECU!
Read MoreThe EFI Tuners Guide – Glossary of Terms
Updated August 2022 by Jerry Hoffmann EFI Tuners Guide – Glossary of Terms This is a living document that I’ll be updating as I continue to write future chapters of this EFI Tuning Guide. This Glossary aims to define and to help you understand all of the various terms and TLA’s (Three Letter Acronyms… lol)…
Read MoreThe EFI Tuners Guide Chapter 2 – Why should you convert to Electronic Ignition Control?
Updated September 2022 by Jerry Hoffmann Chapter 2: Why should you convert to Electronic Ignition Control? And what is a timing table? Timing Tables and Advance Curves in a modern electronic ignition system versus the old school distributor and mechanical/vacuum advance. What’s better and why? That is the question. I’m going to do you…
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