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MegaSquirtPNP G2 EEC4B8 for 94-95 Ford Mustang 5.0
MegaSquirtPNP G2 EEC4B8 for 94-95 Ford Mustang 5.0
MegaSquirtPNP G2 EEC4B8 for 94-95 Ford Mustang 5.0
MegaSquirtPNP G2 EEC4B8 for 94-95 Ford Mustang 5.0
MegaSquirtPNP G2 EEC4B8 for 94-95 Ford Mustang 5.0
MegaSquirtPNP G2 EEC4B8 for 94-95 Ford Mustang 5.0
MegaSquirtPNP G2 EEC4B8 for 94-95 Ford Mustang 5.0
MegaSquirtPNP G2 EEC4B8 for 94-95 Ford Mustang 5.0

MegaSquirtPNP G2 EEC4B8 for 94-95 Ford Mustang 5.0 – Manual Trans

From: $839.00


USB to Serial Adapter - Works with TunerStudio! – optional

In stock

In stock

SKU: MSPNP2-EEC4B8 Category: Brand:


MegaSquirtPNP Gen 2 – Plug-N-Play Standalone Engine Management System

1994-1995 Ford Mustang 5.0 – Manual transmission only
Easy to Use and Install!  (Can be reconfigured for some other EEC-IV equipped cars with internal jumper changes by special order – contact DIYAutoTune for details)

MegaSquirtPNP Model #EEC4B8 Features:

  • Fully Plug and Play Installation – No wiring required for basic functionality.  Average install time is under 1 hour!
  • 5.0 HO base maps is pre-loaded to help your engine start on the first turn of the key
  • Real time tuning and data logging with a laptop connection
  • Supports most aftermarket wideband sensors
  • Uses internal MAP sensor – can be used on both cars with factory MAF or speed density
  • Mounts in the stock location – case is specifically designed to use factory mounting points

Fully Tunable Engine Control!

  • 16×16 Fuel Tables allow high resolution tuning
  • Bank to bank fuel control
  • 12×12 Ignition Tables
  • Multiple Acceleration enrichment strategies
  • Closed Loop Idle Speed Control
  • Retains air conditioner function
  • Onboard peak and hold drivers support both high or low impedance injectors – No external ballast resistor is needed!
  • Allows removal of stock MAF sensor, if so equipped
  • Programable fan control

Advanced Feature Set (Included!)

  • 12×12 Air Fuel Ratio Target Tables for use with wide band O2 sensor for precise tuning and table trim
  • Built-in 2-step rev limiter / launch control with flat shift
  • Real time barometric correction
  • Internal 4-bar MAP sensor reads up to 44PSI of boost
  • Overboost protection
  • Closed loop boost control (Requires DIYAutoTune.com EBC solenoid kit)
  • Knock sensor input with adjustable sensitivity
  • Headphone output for knock sensor – listen for knock while you tune!
  • Table switching input. Change fuel and spark maps on the fly for different fuels, nitrous activation, etc.
  • Input for flex fuel sensor – switch between E85 and gasoline on the fly!
  • CANBus connector allows interconnection of other MegaSquirt-compatible devices for additional functions (EGT Input, Automatic Transmission Controller, Additional Sensors)…..the possibilities are limitless!

What you get in the box:

  • MegaSquirtPNP EEC4B8 ECU
  • MSPNP RS232 serial tuning cable, 6′ (USB adapter sold separately, if needed)
  • Tuning Software and Documentation USB Stick with TunerStudio Lite
  • 6′ Vacuum Hose for MAP Signal and ‘T’ fitting

Note: Although there is a paid upgrade to TunerStudio, it is not needed to tune this ECU. The free version included on the USB Stick can access all the features and tables of the MegaSquirtPNP. The paid version of TunerStudio simply adds tuning and analysis software, such as VE Analyzer Live to tune the fuel tables based on wideband O2 feedback (requiring a wideband O2 sensor and controller, sold separately).

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Is this all that I need to get started tuning my Mustang?

  • The only other potential must-have is that if your laptop doesn't have a 9 pin serial port, you will need our USB to serial adapter to connect to this unit. However, there are several other things you may wish to add to use this unit to its full potential.

Does the MSPNP Gen 2 support sequential injection on '94-'95 Mustangs?

  • The MSPNP Gen 2 has a maximum of four fuel channels, so it is configured for bank to bank fueling in this application.

What if I have an automatic transmission?

  • '94-'95 Mustangs had transmission control built into the ECU. It would be possible to use a wire in transmission controller to run the transmission separately, but the transmission control would not be plug and play.
  • If you are using a non-stock transmission without computer control (such as a C4, C6, or Powerglide), you can use this ECU without any trouble.

Where's the serial port on this one?

  • The 9 pin serial port on the other MSPNPs did not clear the stock mounting bracket on this car, so we have opted to use a 2.5 mm barrel connector for the serial cable for this model.

Questions & Answers

  1. 0 votes

    Yes, it works with Auto Meter widebands as well. You'll just need to enter the appropriate calibration data in TunerStudio.

  2. 0 votes

    The easiest way to wire this up is to connect the analog output to pin 21 of the 26 pin options port on the MSPNP, and disconnect the stock sensors.

    If you are not using the LC-2 with a gauge, use the #1 (yellow) analog output wire. If you are using a gauge, you will need to use separate analog outputs for the gauge and the ECU, and program both to use the same 0-5 volt output curve using the LM Programmer utility.

  3. 0 votes
  4. 0 votes

    You will need to adjust the tune for the larger injectors.

    This ECU is normally set up for speed density, although it is possible to reconfigure it to support a MAF if you have a voltage vs flow curve for the one you are using.

  5. 0 votes

    Some of the injectors are connected to different pins on the SN95 Mustangs. We weren't able to build one plug and play that fit both at the same time.

  6. 0 votes

    The MSPNP is preconfigured specifically for stock Ford sensors and their aftermarket equivalents. It will not support the MSD two wire magnetic pickup, but it will work with MSD TFI type distributors.

  7. 0 votes

    Cruise control is not run through the ECU on these cars, so it will keep working as normal. The only thing the MSPNP won't control is some emissions functions.

  8. 0 votes

    Sorry, a 1996 model would have been an EEC-V and uses a different connector. The wiring harness would not even physically fit. The Mustang MSPNPs can work with many of the 1995 and earlier trucks; contact us with details of your truck and we can check fitment before you order.

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