Question about 2004 Dodge Caravan

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I have a code P0108 Map/Baro Circuit High Input does that mean that my map sencer is nogood

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The map/baro circuit could have an internal short suppling incorrect voltage to the wrong circuit.you need to check the voltages,ground,and return voltage at the sensor plug with it connected to the sensor with the key engine off and the car running to see if the sensor is getting the proper voltage and has a good ground,also check the plug itself as it could be the problem

Posted on Mar 18, 2011

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Got p0748 p0108 code on my 04 honda odyssey. Car sat for about one year. Replaced fuel pump yesterday and it started right up. Can I get info on locations of where sensors are?


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P0108
is the code for a problem with the MAP electrical circuit sensor having too high voltage input to the Engine Control Unit (ECU). This means that the voltage input to the ECU is too high and that it is not in the correct range for proper engine operation to work with inputs from the Mass Air Flow Sensor (MAF) and Throttle Position Switch (TPS). P0108 OBD II Trouble Code Manifold Air Pressure MAP Barometric Pressure...


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26349763-lyuervfxp0xfzshzuykucxk0-2-0.jpg

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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

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V6. What are the probable causes of DTC P0108?


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
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Looking for code 108


Code 108 Refers To Page 108 Of Your Manual It Is About Cruise Control

Jul 14, 2015 | 2003 Chevrolet Cavalier

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What is wrong when the po108 code keeps coming up?


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

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What does code PO108 mean on a 2001 Grand Cherokee


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.

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1 Answer

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HI. The code and its respective definition will be located below:

P0108 --- Manifold Absolute Pressure/Barometric Pressure Circuit High

Here are a few possible causes for the high signal transfer of the circuit:

  • Leaking EGR valve
  • Vacuum leaks
  • Dirty fuel injectors
  • Wrong fuel pressure
  • Low engine compression
  • Ignition miss
  • Carbon deposits on the intake valves
  • Valve problems
Check the engine for the above faults. If all the points above check out Ok; Replace the MAP sensor.

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Hi
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cheers Rob.

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1 Answer

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