Search Results for: Crankshaft Position Sensor
Using the Tooth Logger and Composite Logger
The tooth logger and composite logger TunerStudio’s tooth logger and composite logger are powerful tools for troubleshooting problems with the MegaSquirt’s RPM input. These are both under the Diagnostic and High Speed Loggers menu. The tooth log records the time between individual pulses from the crankshaft position sensor. The composite log works similarly to a…
Read MoreInstalling a DIYAutoTune.com Crank Trigger
This article covers how to install the DIYAutoTune.com trigger wheels. You can use a variety of sensors with these; we’ve tested them with both Ford and GM VR sensor pickups. We recommend mounting the trigger wheel in the same orientation that Ford used on their EDIS installations when using these trigger wheels on a 4,…
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 MoreGlossary
VVTuner CCM “VVTuner Camshaft Control Module”. The hardware interface that accepts signals from various inputs including camshaft and crankshaft sensors, pressure sensors, and system voltage to accurately control the camshaft position based upon the user’s settings. AWG “American Wire Gauge”. Unit of measurement as related to the cross sectional size of a wire. Smaller numbers…
Read MoreDialing in the MegaSquirt Startup Sequence
So, you’ve just installed a MegaSquirt, and are having trouble getting the engine started? With MegaSquirt, or any standalone engine management system for that matter, the startup sequence is something that needs to be tuned for your engine. The MS2/Extra and MS3 code have default maps that are often pretty close to what many engines…
Read MoreIgnition Control – DIYPNP v1.5
Ignition control is one of the more involved parts of the DIYPNP installation to set up, and may take a bit of trial and error if you do not have an application guide to cover what mods you need. This page will explain the ignition control, both the inputs and the outputs. We’ve made the…
Read MoreFeatures
Available Features / Technical Specifications Based on MS2/E Firmware Version 3.3.1 or later There are two ways to look at the Feature List, one is focused more on how you’re going to use the hardware and lists out all the goodies you can do with it. The other focuses on the hardware’s physical capabilities. We’ll…
Read MoreWill the MegaSquirt work with my stock ignition system?
Last Updated: 2/4/2015 Table of Contents Fuel-Only Implementations Fuel and Spark Control: Standard Distributor Based Ignition Systems Fuel and Spark Control: Other Distributor Based Ignition Systems Going Distributorless: Stock Vehicles with the Ford EDIS or GM DIS Ignition systems Going Distributor-less: Wasted Spark and Coil On Plug (COP) Systems Going Distributorless: Wasted Spark Conversion the…
Read MoreHow to MegaSquirt Your Mazda FC RX-7
If you haven’t already, please read the ‘disclaimer’ at the top of the parent page here. The mods for using MS2 and MS3 on an RX-7 are a bit more complicated than many, but we’ve been working with Ken Culver to put together a daughterboard that makes this installation a paint by numbers exercise. It…
Read More
The EFI Tuners Guide Chapter 4 – Electronic Fuel Injection Options – TBI, MPFI, SPFI, ITBs and DI
Updated September 2022 by Jerry Hoffmann Chapter 4: Electronic Fuel Injection Options – Throttle Body Injection (TBI), MultiPort Fuel Injection (MPFI), Sequential Point Fuel Injection (SPFI), and Direct Injection (DI) What is your starting point– Factory EFI Takeover? Or Carb-to-EFI Conversion? First off, let’s discuss the different people and perspectives that you’re approaching this…
Read More