27W-6-888-12 Dual MAP Sensors

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These instructions were written with a 2018 Honda Civic SI. Other models will be similar

Configuring the software on your tuner and reflashing it will be required after installing this part. The car should not be driven until the new flash is applied

Please note some CVT's might not have 4 bar map sensor support

These instructions are specifically made for the 2016+ Honda Civic SI which requires two MAP Sensors

If you are installing your MAP Sensors into a different vehicle then you can follow our general MAP Sensor install instructions here: https://www.performanceinstalls.com/Guid...

Please note that the test vehicle is using aftermarket Intercooler pipes

The red arrows shows where the two (2) MAP Sensors are located in the engine bay

The blue circle shows the OEM MAP Sensor located on the cold side charge pipe

The green circle shows the OEM MAP Sensor located on the intake manifold at the rear of the engine

Squeeze the tab shown by the red square and gently unplug the wire harness from the MAP sensor

Remove the bolt circled in orange with a 8mm socket, extension and ratchet

Pull the MAP Sensor straight out of the charge pipe

Insert the MAP Sensor into the charge pipe until it is fully seated

Make sure not to pinch the O-ring when installing the MAP Sensor

A small dab of silicone on the oring can be used to aid in install

Plug the wire into the MAP Sensor until it is fully seated

You will hear a click when it clips in

Insert the bolt and tighten until snug with a 8mm socket, extension, and ratchet

Avoid over tightening the sensor, the bolt will be snug with less than 12 in lbs of torque.

Squeeze the tab shown by the yellow square and gently unplug the wire harness from the MAP sensor

Remove the bolt circled in green with a 8mm socket, extension and ratchet

Pull the MAP Sensor straight out of the intake manifold

Insert the MAP Sensor into the intake manifold until it is fully seated

Make sure not to pinch the O-ring when installing the MAP Sensor

A small dab of silicone on the oring can be used to aid in install

Plug the wire into the MAP Sensor until it is fully seated

You will hear a click when it clips in

Insert the bolt and tighten until snug with a 8mm socket, extension, and ratchet

Avoid over tightening the sensor, the bolt will be snug with less than 12 in lbs of torque.

Open your Ktuner or Hondata software and open your current tune, from there you will either follow the instructions below for Ktuner or Hondata

For Ktuner: Click Main Parameters

Click Quick Enables

Check the 4 Bar Map sensor box and resave your tune

For Hondata: Click Calibration

Click Sensors

Check the Use 4 Bar MAP sensors box and resave your tune

Now that you have resaved your tune, Flash the newly saved tune onto your tuner

This completes the installation of your 27WON Performance MAP Sensors. You can now safely measure boost levels above 28+ PSI. Running boost over ~28 psi is typically only done on built engines with the correct supporting mods. Consult your tuner in regards to determining the safe levels of boost for your setup.

We hope you were impressed with your 27WON experience and love your new MAP Sensors for years to come. Email us at sales@27won.com or call us at 571-271-0271 with any questions or concerns

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