4 6 5 from 836 votes.
Gm 3 bar map sensor wiring diagram.
Pdf epub ebook category.
Gm 3 bar map sensor wiring diagram pdf size.
Before you dive in with a multi meter you will want to obtain a free wiring diagram for your specific model you may need to locate a specific color wire and its exact location.
Scroll to page 3.
0 4v is 20kpa 4 65v is 300kpa work the mx b and you ll find a map sensor linear of 329 41kpa and a map sensor offset of 6 35kpa.
I used my volt meter and i had 5 volts coming from the yellow red wire.
Sensor map 02 airflow tps knock idle solenoid controll coolant temp.
So the only thing i can think of is the gm 3 bar map sensor is bad.
If you run into an electrical problem with your gmc you may want to take a moment and check a few things out for yourself.
A 20 300kpa sensor that uses characteristic curve 1.
Formula for the gm 3 bar map sensor is v 8 94 14 53 i have no idea why it s 14 53 and not 14 696 rounds up to 14 7 but it works out on gm s chart every time.
It is possible that detroit is slightly above sea level and you can use 12 11 in the formula for 1 mile above sea level.
But for some reason i had 3 25 volts from the signal wire which is the green red wire.
Gm 2 bar map sensor wiring diagram 3 calibration g4 link engine management identification information 1 ls3 ls7 5.
2020 aug 16 13 29 rating.
Wiring diagrams gmc.
You need linear per five.
Formula for the gm 3 bar map sensor is v 8 94 14 53 i have no idea why it s 14 53 and not 14 696 rounds up to 14 7 but it works out on gm s chart every time.
These 2 and 3 bar map sensors are a direct fit to the lt1 and ram jet 502 intake manifold but because the connector key configuration is not the same the 1 bar green.
It is possible that detroit is slightly above sea level and you can use 12 11 in the formula for 1 mile above sea level.
It s the same as part 0 281 002 437.
Anyway i wired the stock map sensor back up and the car started and runs fine.