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.
Gm 2 bar map sensor wiring diagram.
Sensor map 02 airflow tps knock idle solenoid controll coolant temp.
Wiring diagrams gmc.
1996 1998 map sensor circuit diagram 2 0l neon repair guides lsj stock question from becks m62 install cobalt ss wiring schematic full version hd gm ls3 e27 dtc p0107 how to test your ls1 3 bar e26 za 1256 subaru yw 5960 also manifold absolute pressure can not find maf iat and wires hyundai forums 1996 1998 read more.
This will allow the computer to supply a reference voltage to the map sensor.
Turn the ignition key to the on position but don t start the engine.
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.
You need to identify the signal reference and ground wires using your vehicle repair manual.
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.
Checking for reference voltage.
Xbut 4237 haltech map sensor wiring diagram base website enthalpydiagrama madbari it.
The map sensor uses a three wire connector.
1996 1998 map sensor circuit diagram 2 0l neon repair guides lsj stock question from becks m62 install cobalt ss wiring schematic full version hd gm ls3 e27 dtc p0107 how to test your ls1 3 bar e26 za 1256 subaru yw 5960 also manifold absolute pressure can not find maf iat and wires hyundai forums 1996 1998 read more.
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.