Ford Foxbody Mustang 5.0 1986-1993 MS3Pro PNP Plug and Play ECU

SKU: MSPNPPro-EEC4A8

ECU is currently on Backorder. We expect to continue to ship this ECU by June 14th, 2024 at the latest.

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1999-2003 Mazda Protege MS3Pro Plug and Play

SKU: MSPNPPro-EECV_4PM

ECU is currently on Backorder. We expect to continue to ship this ECU by June 14th, 2024 at the latest.

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MS3Pro ‘Drop On’ 58x LS Plug and Play Harness w/ ECU-1st Gen

SKU: MS3Pro-PKG-58x

PRODUCT DISCONTINUED

VVTuner – Standalone VVT Controller for 2001-2005 Mazda Miata Engines

SKU: VVTuner-C

DIYAutoTune’s VVTuner system is a standalone VVT (variable valve timing) controller for 2001-2005 MX-5 Miata engines. This system also translates the NB crank and cam sensor signals from the stock trigger wheels into NA style signals, making it perfect for swapping the VVT head into earlier Miatas. Can be used with a MegaSquirt EMS (perhaps an older…

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UPGRADE: MicroSQUIRT to MS3Pro Mini

You may have noticed that the new MS3Pro Mini connector bears a striking resemblance to the connector on your older Microsquirt unit. This similarity is not coincidental; it’s intentional. You’re correct in thinking that you can repin your current harness connector, replace the Microsquirt, and install the MS3Pro Mini as an upgrade. Here’s a guide…

DIYPNP Documentation for 1993-1994 Mazda MX6

1993-1994 Mazda MX6 USDM 2.5L KLDE MT Test Vehicle Details: The vehicle used for drawing up these application docs was a USDM 1993 Ford Probe 2.5L with a manual transmission.  All factory electronics/ignition system components are in place and the factory wiring harness is in satisfactory condition. Other notes: MAF in place Aftermarket turbo kit…

DIYPNP Documentation for 1992-1995 Honda Civic

1992-1995 Honda Civic USDM D16Z6 MT Test Vehicle Details: The vehicle used for drawing up these application docs was a 95K original mile USDM 1995 Honda Civic EX coupe with the D16Z6 motor.  All factory electronics/ignition system components are in place and the factory wiring harness is in good condition.  This car is stock except…

DIYPNP Documentation for 1993-1994 Ford Probe

1993-1994 Ford Probe USDM 2.5L KLDE MT Test Vehicle Details: The vehicle used for drawing up these application docs was a USDM 1993 Ford Probe 2.5L with a manual transmission.  All factory electronics/ignition system components are in place and the factory wiring harness is in satisfactory condition. Other notes: MAF in place Aftermarket turbo kit…

DIYPNP Documentation for 1991 – 1992 Mitsubishi Galant VR4

NOTE: The DIYPNPN52-K Kit has been discontinued as of 8/30/18. 1991 – 1992 Mitsubishi Galant VR4 Test Vehicle Details: The vehicle used for drawing up these application docs was a USDM 1992 Mitsubishi Galant VR4.  All factory electronics/ignition system components are in place and the factory wiring harness is in satisfactory condition. Other notes: Stock air…

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…