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Discussion Starter · #1 ·

My car has the problem that it idles erratically.

I checked the sensors and with the engine off I get good results (All around 100kPa).
When I start the engine and read the sensors the MAP sensor shows a much lower value than the other 2 (40kPa).

I also checked a car of a friend of mine to see if he had the same results and he has the MAP sensor the same as the other when the engine is idling (100kPa). He has a 2021 Ford ranger.

Do you have an explanation for this?

100kPa = 14,5psi
40kPa = 5,8psi

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