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Where is the master air flow sensor on a 2000 yukon

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On the air duct between air filter and throttle body.

Posted on Jul 15, 2010


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K&N Air Filter Replacement with Regular Air Filter Kit for 2002 Yukon Denali XL

I don't suggest K&N filters for any vehicle with a mass air flow sensor. The K&N filter is oil impregnated and can cause damage to sensors. Its better just to buy a ac delco replacement.

Dec 30, 2010 | 2002 GMC Yukon XL

1 Answer

My truck cut off while i was driviving, what is a MAF

MAF sensor, Mass air flow sensor, it is located on the front of the intake manifold all the air that goes into the engine has to go threw the sensor. and it can make the truck stall. if you remove it some parts stores can test it for you....GOOD LUCK

Nov 18, 2010 | 2000 GMC Yukon XL

1 Answer

I have a 2001 yukon denali and im getting these trouble codes(p0171bx2, p0102b, p0174b) and i dont know where to find out what they are. Also it read im lean in bank 1 & 2

po 0102 is mas air flow sensor maf/vaf
p0171 bank 1 too lean
p0174b bank 2 too lean
What you have here is either a defective mass air flow sensor and or a possible broken loose or rotted vacuumn line or hose creating this havov, with the engine warm and idling in Park tap the air flow sensor in its housing and see if the engine gets upset(rough) if so replace the sensor its expensive.
If ok have the vac system checked for possible leaks in the hoses at around the intake manifold gasket area etc, fix and replace as needed.

Nov 05, 2010 | 2001 GMC Yukon Denali

1 Answer

Have fuel and spark no run p101 mass air flow sensor code

Replace the mass air flow,this is the problem,rate,if this was helpful,thank you,

Jun 12, 2010 | 2000 GMC Yukon XL

2 Answers

My 1999 yukon wont start i changed master air flow

Fuel pumps are real common to go out on those vehicles

Mar 15, 2010 | 1999 GMC Yukon

2 Answers

Location of mass air flow sensor, 2000 Grand Prix GTP

The mass air flow sensor is a round sensor that is mounted in the air intake, between the air cleaner box and the engine throttle body.

Feb 07, 2010 | 2000 Pontiac Grand Prix

1 Answer

2000 denali seems to idle high at a complete stop, wants to"go" but gauges dont move while doing this?

you may have an intake leak (vacuum leak) somewhere or ldle contol motor gummed up or mass air flow sensor has dirt build up on the front of the resistors

Oct 01, 2009 | 2000 GMC Yukon Denali

1 Answer

My 2000 Yukon engine hesitate

Chk MAF sensor (mass air flow) first sensor in ducting coming out of air filter.

* Use only one foot on the gas peddle - Just teasing. :)

May 22, 2009 | 2000 GMC Yukon

1 Answer

Looking for Intake air temp. sensor on 04 6.0 gmc

The intake air temp. sensor is actually part of the Mass Air Flow sensor on the air intake tube between the air filter and the throttle body.

Aug 10, 2008 | 2002 GMC Yukon XL

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