Passanger side under dash next to computer
under the silver engine cover ...next to fuel regulator
take the top cover off the engine. the sensor is rectangle shape and is to the right towards the throttle body.
Where is the MAP sensor located on a 2003 Cadillac DevilleRead more: [[Q/Where is the MAP sensor located on a 2003 Cadillac Deville#ixzz2R1XaEPL2|http://wiki.answers.com/Q/Where_is_the_MAP_sensor_located_on_a_2003_Cadillac_Deville#ixzz2R1XaEPL2]]
In the ECM under center of dash.
Intermittant map sensor
I had this exact same problem with my Seville STS and it turned out to be a bad MAP sensor. If you are a little bit tech savy at all the MAP sensor or (Manifold Absolute Pressure) sensor is located inside your intake manifold right ontop your fuel rail. However I highly suggest that if you do not know much about cars then you should not attempt to change it out yourself. In addition do not be suprised if you or your mechanic finds that there is a large amount of gasoline in your intake manifold. This is what caused may MAP sensor to crap out. Which was ofcourse was caused by an internal fuel rail leak. The MAP sensor itself will cost you about 75-80 bucks, depending on where you go. Hope this helps, good luck!
A is Balck. B is green & C is gray
E31 = Shorted MAP cicuit sensor
The map sensor is easy to replace. It is right under the air cleaner I believe. # Remove the air cleaner. # Take out mounting screws. # Disconnect nipple hose and cable. # Reverse directions for new map sensor.
Try replacing the map sensor
It uses a MAP sensor.It uses a MAP sensor.
E30 means the Idle Speed Control motor rpm is out of range, E31 is a shorted MAP sensor circuit. They are probably both related to a bad MAP sensor so replace it first.