May 19, 2012  The inside temperature in the car was 110F (43C). So i drove around for about 30 mins with what AC coldness i had, and the inside temperature dropped to around 72F (22C). So taking these as my benchmark temperates i started with the tune up kit. The kit also came with an AC oil analyzer which tells you how much AC oil is in your system. Jun 15, 2018  Tuning up your car’s air conditioner isn’t always at the top of a standard vehicle maintenance list. However, ridding your vehicle’s AC system of dust, debris, mold, and mildew can greatly improve the system’s function. A clean, well-functioning air conditioning system means that you’ll use gas more efficiently. Grab a copy of Performance Fuel Injection Systems written by DIYAutoTune's own Matt Cramer & Jerry Hoffmann to learn how Electronic Fuel Injecton (EFI) works and how to install and tune an EFI system. Our top-notch support team can help you choose the right products for your car. Click Here For Help. Sep 02, 2007  How to bypass all your car's expensive computer AC controls with a simple thirty dollar switch. AC repair the easy way. DIY car repair with Scotty Kilmer, an auto mechanic for the last 40 years.

Product Categories

  • MS3Pro & Plug-Play Solutions
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New to Fuel Injecton?

Grab a copy of Performance Fuel Injection Systems written by DIYAutoTune's own Matt Cramer & Jerry Hoffmann to learn how Electronic Fuel Injecton (EFI) works and how to install and tune an EFI system.

Need Help?

Our top-notch support team can help you choose the right products for your car

Click Here For Help

Note — these are here to help guide you and provide information. As with anything involving electronics, computers, and cars bad things can happen without proper research and planning. Do your homework. We cannot be responsible for any of your actions or their results whether based on this information or not. Be smart, and be safe… and for goodness sake, don’t blow your car up!

From:conio.h is a C header file used mostly by MS-DOS compilers to provideconsole input/output. Undefined reference to gotoxy dev c++.

MS3 and MS3Pro Failsafe Features
A Look Inside MS3Pro Ultimate’s Programmable Peak & Hold Injector Driver

From DIY Plug-n-Play setups to starting from scratch to build your own harness, and from factory EFI conversions to MegaSquirt to carb-to-EFI conversions. These articles are being gathered from around the web to give examples of how people are implementing the MegaSquirt ECU on various vehicles. Some contain very detailed technical information and wiring diagrams, some are more general in nature. If you know of an article that should be featured here email me a link at [email protected]

Documentation for current DIYAutoTune Hardware

Diy tune up auto ac systems diagram

Here you will find manuals for devices which were either designed by DIYAutoTune.com or are not official Bowling & Grippo products, not covered on the MegaSquirt documentation. These are supported through DIYAutoTune.com directly.

  • CAN-EGT 8 channel EGT module

Legacy DIYAutoTune hardware documentation

These items are no longer in production.

  • GM TBI adapter board for 746/747 series ECUs
  • GM TPI adapter board for 165 series ECUs
  • MegaEFI adapter board for EEC-IV Fords

We no longer actively support the MS1-based eMS-Pro except for original purchasers of units bought through DIYAutoTune (be sure to have your receipt information ready before contacting us). For eMS-Pro tuning, also see the MS1/Extra documentation.

  • eMS-Pro Installation Guide (PDF)
  • eMS-Pro Tuning Guide (PDF)

Installation and Wiring

Tuning and Settings

  • Tuning Pre-Fundamentals [Coming soon]
Diy Tune Up Auto Ac Systems

Internal ECU features and troubleshooting

Accessories

Project car archives

These installations do not always use current parts, firmware, or settings.

  • Carb-To-EFI Conversion: One Step at a Time – 1977 Chevy Nova with SBC 350

Customer submitted tech articles

Tune Up Ac Unit

Tips, tricks, and cool installations sent to us by our customers.

Other articles we found on the web you might find interesting

Want to learn more about Engine Management Systems and Tuning?

Diy Tune Up Auto Ac Systems Work

Pick up a copy of Performance Fuel Injection Systems by our own Matt Cramer & Jerry Hoffmann.

Diy Tune Up Auto Ac Systems Freeze

DIYAutoTune is an MegaSquirt EMS/EFI manufacturing and distribution company. Our main offerings include: MegaSquirt Plug-N-Play Engine Management System Kit, the MS3-Pro engine management system, our MegaSquirt-I system, MegaSquirt-II, and MegaSquirt-III Assembled and MegaSquirt-III unassembled versions, Weather Pack kits and other wiring components, as well as carrying fuel injectors, fuel pumps, wideband O2 sensor systems, and more. Check out our online catalog for the full lineup.