What does code PO108 mean ?

code p 0108 refers to manifold absolute pressure(MAP) sensor / barometric pressure (BARO) sensor ---high input===causes ---wiring short to positive--MAP sensor ---BARO sensor --- ECM

P0108 - Manifold absolute pressure (MAP) sensor/barometric pressure (BARO) Sensor - high input. Probable cause, Wiring short to positive, MAP sensor, BARO sensor, ECM.

wow , you actually tried to look it up, a 1st time here.

the MAP is a baro sensor used to calculate fuel injection RATES.

if you have gross air leaks to the system the engine IDLE screams.

is it?

108 means the voltage is too high.

usually its unplugged, or bad sensor.

otential causes of a P0108 code: Bad MAP sensor Leak in vacuum supply line to MAP sensor Engine vacuum leak Short on signal wire to PCM Short on reference voltage wire from PCM Open in ground circuit to MAP Worn engine causing low vacuum



Bad MAP sensor Leak in vacuum supply line to MAP sensor Engine vacuum leak Short on signal wire to PCM Short on reference voltage wire from PCM Open in ground circuit to MAP Worn engine causing low vacuum



http://www.obd-codes.com/p0108



and last. but before ECU.

low engine compression, is 1 more, causes , many



what i do is reseat the MAP sensor

i then make sure he vacuum port is not clogged. (both sides)

i then measure the output , keyon, and idle and gunning throttle.

any Voltmeter works here,

key on is 5v or near.

idle 1.8v

gun engine as the RPMs fall like a rock the volts tries to hit 0.5vdc.



http://www.fixkick.com/look/odds-ends/jeep/MAP-sensor-output-real.jpg



very very easy to find with a voltmeter

if the meter agrees with vacuum gage, then the MAP is ok

and you have air leaks or low vacuum for (VAST reasons)

ask.

code po108 refers to manifold absolute pressure ( MAP) sensor/ barometric pressure (BARO) sensor---high input====causes--wiring short to positive---MAP sensor---BARO sensor---ECM
Check the MAP sensor first and replace if necessary

Check map sensor, top of intake, behind throttle body, for loose connection, possible bad sensor.

P0108 code definition is MAP (manifold absolute pressure )circuit high input, In other word its disconnected or it is connected and is internally disconnected, This code is not the VAF,

P0108: MAP sensor circuit high input
P0172: System too rich (bank 1)
Possible repair for '108', replace the Map sensor. Clear codes and run car. If ok, the MAP sensor may have caused the '172' error. Hope this helps.

CODE PO108 IS MAP SENSOR CIRCUIT HIGH INPUT.

Code P0108 means your MAP sensor circuit is open. MAP means Manifold Absolute Pressure. You should be able to buy one at your local parts store - otherwise, the dealer.

PO108 (map circuit high input) MAP is manifold absolute pressure... a sensor normally mounted on the intake. your code is suggesting a problem with this sensor, or its circuitry.