I am building a 02 lq4 with lsa heads and a ls3 intake and was wondering if the 12592525 3 bar sensor off the ls9 would be a plug and play with the correct harness using the custom 3 bar sd os on a 02 silverado pcm.
Gm 3 bar map sensor pinout.
The 3 bar map should go to 29 psi.
Map sensor assembled in the usa unlike the current delphi production.
My boost safety will stop it from going above 30 psi.
That screen shot is showing the linear per volt.
Discussion starter 1 apr 16 2006.
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.
To wire a gm sensor 3 bar sensor you need to.
Calibration is linear with 1 1 kpa at 0 volts and 315 5 kpa at 5 volts.
I am about to install a gm 3 bar map sensor.
Gm 3 bar map sensor wiring help.
I m gonna order a 3 5 bar map sensor but it may not be here before saturday and we have a race then.
A 20 300kpa sensor that uses characteristic curve 1.
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I don t plan on running over 26 or 28 psi.
It is possible that detroit is.
What happens if i overshoot and hit 29 plus psi.
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.
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In the vehicle specific repair book it s ground.
I checked a motors book that covers all vehicles from 77 83 and it says in the diagnostic section for map vac sensors that the pinout is a low what s that ground b output and c v ref is this the 5v or is this the ground.
Map sensor gm 3 bar manifold absolute pressure sensor standard compatible with the ms3pro and all flavors of the megasquirt ems microsquirt ems.
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.
Gm 12592525 3 bar map sensor my fuel table only reads to 26 8 psi.
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.
The gm map sensor is the same as msd 2311 1 bar map sensor.
Joined jan 15 2003 686 posts.
You need linear per five.
It s the same as part 0 281 002 437.
