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Cindy Barrett Posted on Oct 08, 2012
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P0106 check engine lightt

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Stephen

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  • GMC Master 21,873 Answers
  • Posted on Oct 10, 2012
 Stephen
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Code 106 for GM vehicles means there is a problem with the MAP sensor circuit. Could be the sensor or the wiring to the computer.

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0helpful
2answers

09 aveo dtc p0106 map sensor performance my car won't idle

most likely there is an issue with the air intake, such as a leak or poorly installed intake.


What causes the P0106 code? The MAP circuit for range and performance problem may have several causes:
  • The source of the problem is that the MAP sensor range voltage output is incorrect and out of the programmed input required by the ECU.
  • The most common problem is an air intake system vacuum or intake hose being loose, cracked, or missing it's plastic fittings and clamps.
  • The wiring or MAP sensor may be bad, brittle, cracked, have a bad connection, or could be too close to the higher voltage consumption components, especially alternators, ignition wires, etc. A poor electrical ground can cause problems also.
  • The sensor itself may simply be operating out of range from fatigue in it's internal components.
  • MAP sensors must operate within specific ranges to send correct signals for the ECU to coordinate with the throttle position sensor and adjust correctly for proper engine operation.
  • If the engine is not in good condition, is missing, has poor fuel pressure, or there is an internal issue with the engine like a burned valve, it can prevent the MAP sensor from getting a correct output.
  • The ECU could also be bad but that is rare.
What are the symptoms of the P0106 code? P0106 code will be generally preceded by the Check Engine Light coming on the dashboard display. The vehicle in most cases will not run well, idle poorly, accelerate erratically, run rich, and backfire because the MAP sensor and throttle position sensor will not operate together properly.
How does a mechanic diagnose the P0106 code? P0106 is diagnosed with an OBD- II scanner. A qualified technician should then reset the OBD- II fault codes and perform a road test of the vehicle to see if the code comes back. He can observe this by watching live data streaming on his scanner while driving. If the code comes back, then the mechanic will need to do a close inspection to see if the vacuum line and other hoses on the intake system are missing, loose, damaged, or disconnected. If these things appear to be correct, the technician should do a voltage output test on the sensor while the engine is running to determine if the output voltages fluctuate with engine speed and load on the engine. Check that all grounds are operating correctly, since any ground related to the ECU could cause signal fluctuations from sensors.
Common mistakes when diagnosing the P0106 code. Diagnostic errors are largely due to not following the proper procedure. First, follow the test procedure in the diagnosis to insure there is no intake air leak like a bad vacuum hose or connection. The technician must verify that the voltage output of the MAP sensor is correct and fluctuates with the engine speed and proper voltage. Idle voltage is normally 1 to 1.5 volts and full throttle is usually around 4.5 volts.
Do not buy a new MAP Sensor or ECU unless it is clearly at fault.
0helpful
1answer

09 chevy aveo dtc p0106 map sensor performance.wont idle serges.then god in limp mode

What causes the P0106 code? The MAP circuit for range and performance problem may have several causes:
  • The source of the problem is that the MAP sensor range voltage output is incorrect and out of the programmed input required by the ECU.
  • The most common problem is an air intake system vacuum or intake hose being loose, cracked, or missing it's plastic fittings and clamps.
  • The wiring or MAP sensor may be bad, brittle, cracked, have a bad connection, or could be too close to the higher voltage consumption components, especially alternators, ignition wires, etc. A poor electrical ground can cause problems also.
  • The sensor itself may simply be operating out of range from fatigue in it's internal components.
  • MAP sensors must operate within specific ranges to send correct signals for the ECU to coordinate with the throttle position sensor and adjust correctly for proper engine operation.
  • If the engine is not in good condition, is missing, has poor fuel pressure, or there is an internal issue with the engine like a burned valve, it can prevent the MAP sensor from getting a correct output.
  • The ECU could also be bad but that is rare.
What are the symptoms of the P0106 code? P0106 code will be generally preceded by the Check Engine Light coming on the dashboard display. The vehicle in most cases will not run well, idle poorly, accelerate erratically, run rich, and backfire because the MAP sensor and throttle position sensor will not operate together properly.
How does a mechanic diagnose the P0106 code? P0106 is diagnosed with an OBD- II scanner. A qualified technician should then reset the OBD- II fault codes and perform a road test of the vehicle to see if the code comes back. He can observe this by watching live data streaming on his scanner while driving. If the code comes back, then the mechanic will need to do a close inspection to see if the vacuum line and other hoses on the intake system are missing, loose, damaged, or disconnected. If these things appear to be correct, the technician should do a voltage output test on the sensor while the engine is running to determine if the output voltages fluctuate with engine speed and load on the engine. Check that all grounds are operating correctly, since any ground related to the ECU could cause signal fluctuations from sensors.
Common mistakes when diagnosing the P0106 code. Diagnostic errors are largely due to not following the proper procedure. First, follow the test procedure in the diagnosis to insure there is no intake air leak like a bad vacuum hose or connection. The technician must verify that the voltage output of the MAP sensor is correct and fluctuates with the engine speed and proper voltage. Idle voltage is normally 1 to 1.5 volts and full throttle is usually around 4.5 volts.
Do not buy a new MAP Sensor or ECU unless it is clearly at fault.
0helpful
1answer

Hello, i have an hyundai car XG3000 that detected code p0172 and p0106.

Possible causes
- Faulty front heated oxygen sensor
- Ignition misfiring
- Faulty fuel injectors
- Exhaust gas leaks
- Incorrect fuel pressure
- Faulty Mass Air Flow (MAF) sensor

P0106 is for the Mass Airflow Sensor, so I'd look at the MAF as your failure. Only fix is to double check the wiring and if that is ok, replace the sensor.


Read more: http://engine-codes.com/p0172_hyundai.html#ixzz33nEtGOJP
0helpful
1answer

2000 ford ranger P0106 engine code

p0106 is a map sensor code and p0170 is a lean code i would look for a vacuum leak that would cause both codes
0helpful
2answers

2006 cobalt ss 2.4 automatic trans. check engine light code p0010 p0106

Code P0010 Intake camshaft position actuator solenoid control circuit ( CMP )

most common cause is a bad solenoid, but it could be many componets that could cause the code, if you want to try to repair it on your own the only thing you can do is replace the solenoid, all other componets require some speclized test equipment.

code P0106 manafold absolute pressure sensor ( MAP )

check for a good vacuum source to the MAP sensor if there is a good vaccum source then replace the sensor.

good luck
0helpful
1answer

I lost power to my seat (forward/backward motion) and power to my right mirror. just afterwards check engine light came on with code p0106, any idea what this might be

I'll deal with the p0106 (excess carbon build up on throttle body), clean your throttle body, and possibly need a new MAP sensor also. These two would not be related to your loss of power to your seat and mirror.
0helpful
1answer
3helpful
2answers

Car cant go more thann 2 thousand rpm when check engine lightt comes out

when the check engine light comes on the computer goes into limpin mode and limits engine functions. have the car scanned for codes and replace the faulty sensors. Hope this helps. mike
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