Hummer P0103 Mass Air Flow Sensor Circuit High Input

Description

OBD-II Trouble Code Description for P0103 Hummer

Mass or Volume Air Flow Circuit High Input

What does this mean?

OBD2 Code P0103 Hummer definition:
Basically this means that there is a problem with the Mass Air Flow High (MAF) sensor or circuit. A more technical description would be that the MAF circuit had higher than expected voltage (air flow).

Symptoms

Possible sumptoms of OBD code P0103 Hummer
You will likely not notice any serious drivability problems, although there may be symptoms such as a general decrease in power or sluggishness.

Causes

Possible causes of OBD code P0103 Hummer
The MAF may be disconnected, or a wiring connection may be bad The MAF sensor may be damaged The vehicle computer may be faulty (very rare)

Possible Solutions

The simplest thing to do is to reset the code and see if it comes back. Then start with the cheapest, easiest repair procedures: Verify that the Mass Air Flow Sensor wiring is connected properly and that there are no broken / frayed wires. Inspect for any air leaks near the MAF sensor. Take the MAF out and clean it using a spray cleaner such as brake cleaner or electrical contact cleaner. Be gentle with the sensor. Check the voltage of the MAF sensor (refer to a repair manual for vehicle specific information) Replace the MAF sensor.


The OBD2 Code Information Be Applicable For Hummer:

2009 Hummer H3T Alpha,2008 Hummer HX Concept,2008 Hummer H3 Wagon Concept,2008 Hummer H3 Alpha,2008 Hummer H2,2007 Hummer H3 Open Top,2007 Hummer H3X,2007 Hummer H3R Off Road Concept,2007 Hummer H2 Safari Concept,2006 Hummer H3,2006 Hummer H2 SUT Limited Edition,2006 Hummer H1 Alpha,2005 Hummer H3 Street,2005 Hummer H2 SUT,2004 Hummer H2 SUT Concept,2004 Hummer H2H Hydrogen Concept,2004 Hummer H2,2004 Hummer H1,2003 Hummer Humvee Military Vehicle,2003 Hummer H3T Concept,2003 Hummer H2 with GM Accessories,2003 Hummer H2 SUV,2003 Hummer H2 SUT Dirt Sport Concept,2003 Hummer H1,2003 Hummer Bike,2002 Hummer H2 SUV Concept,2002 Hummer H1 10th Anniversary Edition,2002 Hummer H1,2001 Hummer H1 Alpha Concept

 

Note:

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