Question about 2003 Pontiac Montana

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How do i change the mass air flow sensor on my pontiac montana

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The Mass Airflow sensor is held in the air intake hose to the engine from the air cleaner by 2 approx 4" large hose clamps, unplug the connector to it and loosen the hose clamps on each side of the sensor and pull off flexible air intake hoses on each side of the aluminum body of the sensor and remove the sensor assembly. See picture below.


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Posted on Mar 21, 2011

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It is inline with your intake tube, unscrew the clamps on both sides of it and remove the harness connected to the MAF, installation is in reverse order-an easy job.

Posted on Mar 21, 2011

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1 Answer

Where is the mass airflow sensor and the 2 oxygen sensors


mass air flow is on the air filter duct, o2 sensors are on exhaust pipe ones close to manifold other one is near catalytic convertor

Mar 10, 2015 | 2005 Pontiac Montana

1 Answer

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possible vacuum line left off , loose air inlet boot or contaminated mass air flow sensor with whatever cleaner was used.

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Need to know how many sensor. is on my transmission.. 2003 Pontiac Montana v 6 .. can you show me picture where transmission control solenoid goes?


There are 12 common sensors and 10 internal sensors. The most common that often fail (MAP), (TPS), (CAM), (IGN), (CRANK) MAP is your mass air flow which is located at the beginning of your air intake, TPS is the throttle body position sensor, the CAM is the cam shaft position sensor (transmission), IGN ignition position sensor and the CRANK sensor is located near the bottom driver side front

Oct 26, 2013 | 2003 Pontiac Montana

1 Answer

2001 pontiac montana dies when let off gas p0102 code


Code 102 is for a problem with the mass air flow meter circuit.
The sensor is saying the air flow is very low.
Could be the sensor or a leak in the hose between the sensor and the intake.

Jan 15, 2013 | 2001 Pontiac Montana

1 Answer

Can you check the mass air flow sensor?


There is 2 kits from lc engineering that will help you bypass a mass air flow sensor. Here is the site. http://209.250.27.45/m1webgear/Produ...artRevisionID=------------------------------------------------------------------------
Car cable & OBD Connector

Dec 07, 2012 | 2003 Pontiac Montana

1 Answer

2002 Pontiac Montana stalls in stop-and-go traffic especially on a down hill grade. Have changed gas filter. Diagnostic didn't find anything unusual.


First off, when was last healthy tune up? Plugs, plug wires, ALL filters and a good fuel system cleaning? I'd start there, then have parts store like Autozone, Advance etc.. do an OBII fault scan. I'm suspecting of tune up doesn't help maybe an oxygen sensor or a MAF (Mass Air Flow meter) are strong possibilities. But tune it first, and get scan done before just throwing parts at it.

Feb 25, 2011 | 2002 Pontiac Montana

2 Answers

My 2001 montana idles up and down constantly ??? any ideas


i would say either a temperature sensor or mass air flow sensor.

Apr 12, 2010 | 2001 Pontiac Montana

1 Answer

3200 v-6 really rough running backfire through


check the mass air flow sensor in the air cleaner tube,it may have a white piece of fuzz on it from the filter and it changes the readings of how much air its getting.

Aug 17, 2009 | 1999 Pontiac Montana

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