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A 1 BAR MAP sensor reports barometric pressure times one, which is approximately 14.7 psi or 30in/Hg (inches of mercury). 2 BAR or 3 BAR simply mean two or three times above barometric pressure. The sensor will measure each direction, vacuum or pressure.
For Reference:
- 1 BAR is for a normally aspirated engine
- 2 BAR will handle a forced induction up to 14.5 psi of boost
- 3 BAR will handle a forced induction up to 29.0 psi of boost
- 4 BAR will handle a forced induction up to 43.5 psi of boost
A vehicle's computer is calibrated to function at a specific level as programmed by the design engineer. A 2, 3, or 4 BAR MAP sensor placed in a system designed for a 1 BAR sensor will not function correctly; in fact the system will run very rich because of the low return voltage signal. A computer that is programmable is a must for any tuner attempting to boost their engine's output with the addition of a turbocharger and a 2, 3, or 4 BAR MAP sensor.
NOTE: Does NOT fit the F22C Engine but may fit other engines.
Chris H.
Reviewed in the United States on April 18, 2025
Still not the right part
Samuel Chavez
Reviewed in the United States on October 24, 2024
working perfect in my k24 accord
Lee
Reviewed in the United States on April 1, 2024
I guess these are prone to fault and fail. In my case I got 2 months out of it.
asia
Reviewed in the United States on September 8, 2022
Looked to be in good condition, put it in the car and nothing
Customer
Reviewed in the United States on February 17, 2022
Mine had issues from the beginning. Probably because it’s not for K Series. Should’ve read the reviews.. False advertisement.
Fiestachik
Reviewed in the United States on August 4, 2020
They advertised for a K series map sensor but sent a B series map sensor.K series has an oval plug and B series has a circle plug.Even though the item I received was wrong, I could use the item on my Del Sol. I have not installed it on my Del Sol yet to see if the sensor even works.
Review Guy
Reviewed in the United States on August 17, 2020
Amazon keep shipping B series versions of this map sensor for all the K-series people so do not buy until they fix which I don’t know how you find out. Other than that this works in my 500 hp K-series MR two
Customer
Reviewed in Canada on October 6, 2020
Don’t buy if u looking for a k-series map sensor
HonAcuTec
Reviewed in the United States on September 21, 2019
Works great.
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