Question about 2003 Toyota Tundra

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Having trouble locating the mass air flow sensor on my 2003 toyota tundra

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  • Anonymous Mar 12, 2014

    2003 toyota tundra trouble code code 420/430

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The MAF is right off the air cleaner box or hosing right above. It is the little black box and has wire harness attached to it. It may also be closer to the intake manifold

Posted on May 09, 2009

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Posted on Jan 02, 2017

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What is the P0420 code on my 2004 toyota tundra


the P0420 CODE IS INSUFFICIENT CATALYTIC FLOW , FIRST CHECK OTHER SENSORS BEFORE REPLACING THE CATALYTIC CONVERTOR, CHECK YOU REAR OXYGEN SENSOR TO MAKE SURE IT IS WORKING FINE, THEN CHECK YOUR EGR VALVE, MAKE SURE IT IS NOT LEAKING, CHECK YOU MASS AIR FLOW METER IF IT HAS ONE OR AIR FUEL RATIO SENSOR, THIS WILL BE THE TOP OXYGEN SENSOR. IF ALL GOOD THE CAT IS THE PROBLEM, THAT IS THE TOP CAT.

May 09, 2014 | 2000 Toyota Tundra

2 Answers

22re trouble code 24 and 32


24 Intake air temp sensor and 32 mass air flow meter circuit or vacuum switch failure . Air temp sensor is internal in the vane style mass air flow meter it is not replaceable you will need a new meter.

Mar 21, 2014 | 1994 Toyota Pickup

1 Answer

2003 tundra will not rev over 3000rpm


what made you thing the MAF is bad.

name the DTC, can help you with out real codes, all of them



and replaced, what does that mean?

new, used, rebuilt, or? name it, exactly.

Jan 04, 2014 | 2003 Toyota Tundra

3 Answers

My 2004 toyota tacoma has a rough idling problems and I was told to replace MAP sensor. Now, would it be Mass air flow sensor ? Because I can not locate any info on MAP sensor of this yeat truck


Yes your truck is equipped with a mass airflow sensor (MAF). However, I would not just replace that because its running rough. I would begin diagnostics by first checking to see if there were any trouble codes in the engine to give you a clue as to the rough running condition. I would expect a trouble code to be present to support the descision to replace the MAF Sensor. If no codes are present I would suggest that you get the vehicle tuned up. (Spark plug replacement and throttle body cleaning and I would also suggest removing the idle control valve and cleaning the carbon and dirt out of it. Although what you were told might be correct I dont belive that is where I would start.

Feb 18, 2011 | 2004 Toyota Tacoma

2 Answers

2000 Toyota Tundra V8 code P0130 bank 2 came up at AutoZone scanner. How do I know which O sensor to change?. Thanks for input. Jerry My son said the check engine light came on soon after he launched...


Make sure it is a o2 malfunction before changing it,the o2 just gives information mainly,the generic code is a mass air flow sensor,and this would be more like what the problem is.

Jul 12, 2010 | 2000 Toyota Tundra

2 Answers

Car is going into Failsafe.


Mass air flow sensor is located on the air intake plentium. Can't miss it. ,

May 11, 2010 | 2003 Lincoln LS

1 Answer

2000 Toyota Tundra 4.7 V8 when warm it idles down to zero.


Your question has risen again by the look of it. It is now July 18th 2017. April has long gone.

Jul 18, 2017 | 2000 Toyota Tundra

1 Answer

2003 Land Cruiser IAT & Mass Air Sensors!!!


Notes Mass Air Flow (MAF) Meter 104389498I hope this pic helps if you look on the intake tube {black pipe} Closest to the air box which holds the air filter you will see a connector to a little box which mounts to the tube thats your Mass Air Flow Sensor you should be able to un plug the connector and take out the little scew and just pull the sensor out and that should be your Mass air flow and intake air temp. sensor

Mar 27, 2009 | 2003 Toyota Land Cruiser

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