Question about Kenmore 3.8 cu. ft. HE3 Front Load Washer

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Pressure sensor manifold

Hi. I read your responses to the same problem that I am having. I have the back of my washer off and am not sure what the pressure sensor manifold looks like. Could you describe it so I can try to clean it out? If that doesn't work, I'll replace the pump. Thanks!

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  • drzvon Jun 01, 2008

    Thanks for the info. The block was actually behind the easy-open clean-out in the front of the washer. The baffled black hosing behind there held the clog. Thanks again.



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There is a thin tube running from the sensor switch down to the pump area, this is the pressure tube. Pull this out carefully after un-clipping from the top, blow thru this, the air shd go thru, or it is blocked. Check for breaks in tube. This tube checks your water level in machine. Refit tube carefully when block if any is cleared.

If you have a similar tube you can fit it above to the sensor switch and blow thru it, you should hear a click when u blow, if you do, your pressure switch is working fine.

Pl rate if helped.................

Posted on May 30, 2008


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Hi!!I have a code on my 2003 nissan altima it reads p0107.I've changed the mfs its loosing power.Any suggestions?

code p0107 refers to manifold absolute pressure (MAP) sensor/barometric pressure (BARO) sensor--low input===causes wiring short to ground.---MAP sensor---Baro sensor----ECM
Maybe you didn't change the right sensor.

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Hi steve re code 0299

Hi Gayle, this error is Turbo under boost, so it will not stay on unless turbo is constantly reading under boost! possible causes are.....

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What does code PO108 mean ?

Hi Debbie, The code P0108 refers to the manifold pressure sensor which reacts to the low pressure created in the intake manifold. Seems the sensor requires replacement on your vehicle. Regards John

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What is emmision system code p069

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I trust that this answer and definition are responsive to your question.
P0069 Manifold Absolute Pressure - Barometric Pressure Correlation
  • MAP (Manifold Absolute Pressure) sensor provides engine load and barometric pressure readings to the computer.
  • When not replaced, vehicle may run rich or lean, experience pinging, excessive hydrocarbons in oil causing engine bearing wear, spark plug fouling, catalytic converter failure, poor fuel economy, inconsistent transmission shift and/or CEL illumination.
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Ford ranger engine codes P0171 &P0174 ?

Hi hope I can help.
P0171 mean bank 1 is to lean
P0174 means bank 2 is lean
You did not state what engine you have but by your codes you must have the V6 4.0.
These codes refer to a fuel issue. bank 1 and bank two represent each of your manifolds.
being you have a V6 you have 2 manifolds.
Each of your manifold have an O2 sensor in it. That's what is giving the lean reading.
This does not mean that you have bad O2 sensors.
They are just doing there job.
So you should check your fuel pressure with a gauge and make sure your pressure is correct.
It seams as your fuel pump maybe weak.
Hope this helps.
Please leave feed back
Thank you urnuts73@ FixYa

Mar 10, 2011 | 2003 Ford Ranger Regular Cab

1 Answer

1999 olds 88. I have replaced the fuel pump, sending unit, filter, mass air flow senson, spark plugs and wires, fuel pressure regulator. The car idles fine but when you apply pressure to the gas pedal it...

recommend you check your MAP sensor. You will need a voltmeter.
If you don't have a vacuum gage, just use your mouth to pull a vacuum on the hose and see if the voltage drops when you do.
Let me know if you have questions.

OPERATION The Manifold Absolute Pressure (MAP) sensor, used on 1996-99 vehicles, measures the changes in intake manifold pressure which result from engine load/speed changes, and converts this information to a voltage output. The MAP sensor reading is the opposite of a vacuum gauge reading: when manifold pressure is high, MAP sensor value is high and vacuum is low. A MAP sensor will produce a low output on engine coast-down with a closed throttle while a wide open throttle will produce a high output. The high output is produced because the pressure inside the manifold is the same as outside the manifold, so 100 percent of the outside air pressure is measured.
The MAP sensor is also used to measure barometric pressure under certain conditions, which allows the PCM to automatically adjust for different altitudes.
The MAP sensor changes the 5 volt signal supplied by the PCM, which reads the change and uses the information to control fuel delivery and ignition timing.

TESTING See Figures 1 and 2

  1. Visually check the connector, making sure it is properly connected and that all of its terminals are straight, tight and free of corrosion.
  2. With the ignition ON , check the voltage between terminals A and B (probe the back of the connector to connect to these wires). It should be above 4 volts. Apply 15 in. Hg of vacuum at the MAP vacuum port and check the voltage again. The voltage should be 2 volts now.


Fig. Fig. 1: Manifold Absolute Pressure (MAP) sensor circuit
When pumping up and releasing the vacuum, check to make sure the voltage readings are smooth. When applying vacuum to the sensor, the change in voltage should happen instantly. A slow change in voltage could point to a faulty sensor.


Fig. Fig. 2: MAP sensor voltage specifications

  1. If the sensor voltage is not within specification, check for a 5 volt reference at terminal C. If the reference signal is found, the sensor is faulty.
  2. If the sensor and circuits are functional, the PCM may be faulty.


3.8L (VIN K) Engine
See Figure 4
On these engines, the MAP sensor is mounted to the PCV valve cover.

  1. Disconnect the negative battery cable.
  2. Detach the MAP sensor electrical connector.
  3. Carefully bend the locking tabs holding the MAP sensor to the PCV valve cover, just enough to remove the MAP sensor.
  4. Pull the MAP sensor straight out of the PCV valve cover.

Fig. Fig. 4: On the 3.8L (VIN K) engine, the MAP sensor (1) is mounted in the PCV valve cover (2)

To install:

  1. Make sure that the seal is installed on the MAP sensor and that it is not damaged.
  2. Position and install the MAP sensor to the PCV valve cover. Make sure the locking tabs engage to hold the sensor to the cover.
  3. Attach the sensor electrical connector.
  4. Connect the negative battery cable.

Nov 27, 2010 | 1992 Oldsmobile 88

3 Answers


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.

Aug 20, 2010 | 2005 Ford Mustang

1 Answer

Replacing manifold on troy bilt pressure washer

I was able to forcefully push it back until it clicked.

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