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2019-2021 Polaris RZR XP Turbo & Turbo S 168 (EVAP) ECU Power Flash

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Stock Injector Power Flash Stages

ECU
Flash Stage
HP Boost (LBS) Wastegate Crack Pressure (lbs) Fuel (Octane) Recommended Exhaust
Stock 168 14 5 91

Stock or Aftermarket

Stage 1 180
16
5
91

Stock or Aftermarket

Stage 2 184
17
5
91
Aftermarket
Stage 3 192
17.5
5
93
Aftermarket
Stage 4R* 198
18.5
6
95
Aftermarket
Stage 5R* 206
19
6
E85
Aftermarket

 

Description

Polaris made many changes to both the fuel system and tuning of the Bosch ME17 ECU. The biggest change is the fuel system was changed from a return style, rising rate setup to an automotive type return less configuration. The new hardware includes a separate fuel pump controller which varies the pressure to the fuel rail based upon input from an inline fuel pressure sensor and programming. The controller accomplishes this by raising and lowering the voltage to the pump. When the vehicle is keyed on, the fuel pressure initially rises to approximately 70psi. Once the engine is started, the fuel pressure drops to 40 psi and stays there until the engine sees boost pressure. In boost, the controller raises the fuel pressure back to 70 psi.

The system makes for a much better running and safer setup as compared with earlier models. EVP has made more power with our tuning on this model than any previous generation, stock turbo, stock injector vehicle.

Stages 1-5R are done using the stock injectors and stock fuel pump! Not only that, our tunes for this vehicle are the most refined we have done for this family of vehicles. The EVAP model is also safer because the return fuel line has been eliminated and in general, the fuel pressure is lower than the previous rising rate setup.

Tune Features:

    • Massive wheel horsepower gains
    • Rev limiters raised by 500 RPMS both high and low gears - custom rev limits upon request
    • Speed limiters raised: High gear-120 MPH, low gear raised by 10 MPH, reverse raised by 9 MPH
    • No piggyback fuel controllers to mess with
    • Torque limits raised (makes vehicle more responsive)
    • 2 foot braking enabled
    • Dramatically lowered coolant temperatures by manipulating the fan on/off temperatures (EVP was the first company to do this)

Stage Tune Suffix Identifiers:

    • R: The Turbo Wastegate Crack Pressure Must Be Adjusted for Higher Boost (see our video on how to do this on the 'Additional Information tab)
    • Non R: Tunes do not require any wastegate adjustment.

    Additional Information

    Do you have an EVAP Model? California vehicles have an extra control module on the floor below where the ECU is mounted. (See Below)

    photo california_fuel_module_zpstueeuudr.jpg

     

    Wastegate Adjustment

      Shipping
       This Item Ships to 
      Delivery

      Estimated between  and

      Will usually ship within 1 business day.

         

      Tracking information will be updated within 2 business days This means you never have to wait long on your order to ship

      We accept returns within 30 days, simply contact us for a return authorization on your uninstalled part and send your item to our returns centre for fast processing. We'll get you a replacement or refund in a snap!

      Stock Injector Power Flash Stages

      ECU
      Flash Stage
      HP Boost (LBS) Wastegate Crack Pressure (lbs) Fuel (Octane) Recommended Exhaust
      Stock 168 14 5 91

      Stock or Aftermarket

      Stage 1 180
      16
      5
      91

      Stock or Aftermarket

      Stage 2 184
      17
      5
      91
      Aftermarket
      Stage 3 192
      17.5
      5
      93
      Aftermarket
      Stage 4R* 198
      18.5
      6
      95
      Aftermarket
      Stage 5R* 206
      19
      6
      E85
      Aftermarket

       

      Description

      Polaris made many changes to both the fuel system and tuning of the Bosch ME17 ECU. The biggest change is the fuel system was changed from a return style, rising rate setup to an automotive type return less configuration. The new hardware includes a separate fuel pump controller which varies the pressure to the fuel rail based upon input from an inline fuel pressure sensor and programming. The controller accomplishes this by raising and lowering the voltage to the pump. When the vehicle is keyed on, the fuel pressure initially rises to approximately 70psi. Once the engine is started, the fuel pressure drops to 40 psi and stays there until the engine sees boost pressure. In boost, the controller raises the fuel pressure back to 70 psi.

      The system makes for a much better running and safer setup as compared with earlier models. EVP has made more power with our tuning on this model than any previous generation, stock turbo, stock injector vehicle.

      Stages 1-5R are done using the stock injectors and stock fuel pump! Not only that, our tunes for this vehicle are the most refined we have done for this family of vehicles. The EVAP model is also safer because the return fuel line has been eliminated and in general, the fuel pressure is lower than the previous rising rate setup.

      Tune Features:

        • Massive wheel horsepower gains
        • Rev limiters raised by 500 RPMS both high and low gears - custom rev limits upon request
        • Speed limiters raised: High gear-120 MPH, low gear raised by 10 MPH, reverse raised by 9 MPH
        • No piggyback fuel controllers to mess with
        • Torque limits raised (makes vehicle more responsive)
        • 2 foot braking enabled
        • Dramatically lowered coolant temperatures by manipulating the fan on/off temperatures (EVP was the first company to do this)

      Stage Tune Suffix Identifiers:

        • R: The Turbo Wastegate Crack Pressure Must Be Adjusted for Higher Boost (see our video on how to do this on the 'Additional Information tab)
        • Non R: Tunes do not require any wastegate adjustment.

        Additional Information

        Do you have an EVAP Model? California vehicles have an extra control module on the floor below where the ECU is mounted. (See Below)

        photo california_fuel_module_zpstueeuudr.jpg

         

        Wastegate Adjustment

          Shipping
          This Item Ships to   
          Delivery

          Estimated between  and

          Will usually ship within 1 business day.

             

          Tracking information will be updated within 2 business days This means you never have to wait long on your order to ship

          We accept returns within 30 days, simply contact us for a return authorization on your uninstalled part and send your item to our returns centre for fast processing. We'll get you a replacement or refund in a snap!

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