Question about 1999 Ford Explorer

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Mass air flow sensor cleaning

Need to know how best to clean my mass air sensor

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  • Expert
  • 137 Answers

BRAKE CLEAN WORKS GOOD.CRC GREEN CAN!!

Posted on Nov 24, 2013

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Posted on Jan 02, 2017

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autodr
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SOURCE: Cleaning the Mass Air Flow Sensor

i will try to help. 171/174 indicates lean condition in engine. the mass air flow sensor is located in the rubber tube going to throttlebody. you can try to clean it. using mild carb cleaner safe for sensors, remove sensor from tube. spray clean the tiny wires located in the cylinder. do not touch them, they are very delicate. these engines are also notorious for leaking intake gaskets and faulty pcv valves. these will all set these 2 codes. feel free with anymore questions.

Posted on Nov 15, 2008

  • 147 Answers

SOURCE: Repalced O2 sensors, mass air flow sensor, and plugs error messag

dpfe velve

small emissions valve with one electrical connnector and three to four vacume lines located near your egr valve. this is a comon fault on fords emmissions system.

Posted on Aug 15, 2009

blueextc3221
  • 15935 Answers

SOURCE: location of mass air flow sensor

The sensor is mounted on the throttle body between the air cleaner assembly and the air cleaner outlet tube.

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Posted on Sep 04, 2009

emissionwiz
  • 76848 Answers

SOURCE: trouble code 0171

P0171 OBD-II Trouble Code google_protectAndRun("render_ads.js::google_render_ad", google_handleError, google_render_ad); Technical Description System Too Lean (Bank 1)
What does that mean? Basically this means that an oxygen sensor in bank 1 detected a lean condition (too much oxygen in the exhaust). On V6/V8/V10 engines, Bank 1 is the side of the engine that has cylinder #1.
Note: This DTC is very similar to P0174, and in fact your vehicle may show both codes at the same time.
Symptoms You will more than likely not notice any drivability problems, although there may be symptoms such as a lack of power, detonation (spark knock), and/or a hesitation/surge on acceleration.
copyscape.gif Causes A code P0171 may mean that one or more of the following has happened:

  • The MAF (Mass Air Flow) Sensor is dirty or faulty. Note: The use of "oiled" air filters may cause the MAF to become dirty if the filter is over-oiled. There is also an issue with some vehicles where the MAF sensors leak the silicone potting material used to protect the circuitry.
  • There could be a vacuum leak downstream of the MAF sensor.
Possible Solutions Possible solutions include:
  • In the vast majority of cases, simply cleaning the MAF sensor does the trick. Consult your service manual for it's location if you need help. I find it's best to take it off and spray it with electronics cleaner or brake cleaner. Make sure you are careful not to damage the MAF sensor, and make sure it's dry before reinstalling
  • Inspect all vacuum and PCV hoses, replace if necessary
  • Check for a dirty fuel filter and proper fuel pressure

Posted on Oct 05, 2009

1fastbob
  • 301 Answers

SOURCE: I have a 1998 ford explorer odb2 codes of p0171

I would first change the fuel filter.

Posted on Oct 18, 2009

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Symptoms of faulty air flow sensor


  • How to Detect and Clean a Faulty Mass Airflow Sensor ... www.carsdirect.com > Car Repair > Engine Repair 2012-02-24 · Symptoms of a Faulty Mass Air Flow Sensor ... Here are some of the most common symptoms of a faulty mass airflow sensor: ... CARSDIRECT IS AN ...
  • Mass Airflow Sensor: An Easy Fix for Big Problems from a ... www.airtexproducts.com/news-blog-mass-airflow-sensor-an-easy-fix... news,blog,mass,airflow,sensor,an,easy,fix,for,big,problems,from,a,little,instrument. ... Mass Airflow Sensor: ... What Are the Symptoms of a Faulty Mass Air Flow Sensor?
  • Signs & Symptoms of a Faulty Mass Air Flow Sensor www.geeksofcars.com/list_5794328_signs-mass-air-flow-sensor.html Signs & Symptoms of a Faulty Mass Air Flow Sensor. The Mass Air Flow Sensor is a device used on many fuel injected automobile engines to measure the density of air ...
  • See Bad Mass Airflow Sensor Symptoms on YouFixCars.com www.youfixcars.com/mass-airflow-sensor.html Video embedded · Mass airflow sensor problems can turn on the check engine light. They can also cause a variety of other symptoms before the ... How to clean mass air flow sensor ...
  • How to ' Tell If You Really Need a Mass Air Flow Sensor ... www.youtube.com/watch?v=aDlHCjgYf8s
    • BY AUTO REPAIR QUESTIONS ANSWERED BY WESLEY HARRISON
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    2011-08-22 · Video embedded · ... How To Clean a Mass Air Flow Meter and Tell if you really need ... Mass Air Flow Sensor ' Auto Repair ' Wesley Harrison ... Sensor Symptoms ...

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    Jul 09, 2016 | Cars & Trucks

    1 Answer

    Dont accelerate at all plz help


    Check mass air flow sensor (if equipped). clean mass air flow sensor( only with mass air flow sensor cleaner. PLZ). I think once you've cleaned the sensor, you'll get your acceleration back. Hope this post was of some help.

    Apr 24, 2015 | 2006 Hyundai Sonata

    1 Answer

    Volvo V70 code P0102


    that means you have a mass air flow sensor problem located on air intake first try cleaning it be real gentle when cleaning ok thhey sell electrical spray cleaner at auto parts use that then clear the code auto zone can do that for free drive car if it comes back then replace the mass air flow sensor ok let me know

    Nov 20, 2012 | 1998 Volvo V70

    1 Answer

    Spare part 12(po100)


    P0100 NISSAN - Mass Air Flow Sensor Circuit Range/Performance Error

    Possible causes- Dirty mass air flow sensor
    - Dirty mass air filter
    - Mass air flow sensor harness is open or shorted
    - Mass air flow sensor electrical circuit poor connection
    - Intake air leaks
    - Faulty mass air flow sensor
    Tech notes Before replacing the mass air flow sensor, try replacing the air filter and cleaning the air flow sensor with low compress air or mass air flow sensor cleaner. Reset code and drive vehicle. If the code comes back, it may be necessary to replaced the mass air flow sensor.

    Sep 25, 2012 | 1997 Nissan Pickup

    1 Answer

    P0101


    P0101: MAF or VAF A Circuit Range/Perf

    - Dirty mass air flow sensor
    - Dirty mass air filter
    - Mass air flow sensor harness is open or shorted
    - Mass air flow sensor electrical circuit poor connection
    - Intake air leaks
    - Faulty mass air flow sensor

    Before replacing the mass air flow sensor, try replacing the air filter and cleaning the air flow sensor with low compress air or mass air flow sensor cleaner. Reset code and drive vehicle. If the code comes back, it may be necessary to replaced the mass air flow sensor.

    Feb 09, 2012 | 1999 Pontiac Grand Prix

    1 Answer

    Need to know how to clean a mas air flow censor on a ford econoline van 91


    I don't believe this year model uses a mass air flow sensor, but a map sensor . but to clean a mass air flow sensor, you have to remove it from the sensor housing, then look at the wires in the sensor, then take a cotton swab with alcohol on it and very gently rub the wires with it.

    Aug 14, 2011 | Ford Econoline Cars & Trucks

    1 Answer

    2001 kia optima hesitates on acceleration gets better when warm, but still does it, has 2.4 engine


    3 possible problems your mass are flow meter/senso could be going bad but not bad enough to register a fault, the same for your idle air valve and also your throttle position sensor. all 3 of these are on your throttle body .
    with the engine running tap the side of the mass air flow with the back of a screw driver, if the engine sputers mass air flow needs replaced.you can try cleaning it with some mass air flow cleaner if you cant find that at your auto parts store get some electrical parts wash. your idle air valve needs to be cleaned or replaced there hard to get off. your throttle position sensor , you need to know the setting ,if the auto parts store cant give you aprint out of instuctions best to let a kia dealership do it and pay out the ****.

    Aug 04, 2010 | 2001 Kia Optima

    1 Answer

    Need to clean massive air flow


    There is a special cleaner/solvent needed to clean mass air flow sensor. It can not leave a residual film. You can go to most any auto parts stores & locate it. It will say mass air flow sensor cleaner or safe to use on mass air flow sensors. I know a company called CRC makes the one I use. Just disassemble boots to both side of sensor & unplug wire connector. Clean off both sides of grid & allow to dry. Reassemble.

    Jun 30, 2010 | 1997 Mercury Cougar XR7

    1 Answer

    I need to clean mass air flow sensor for Mitsubishi Dion


    give these websites a try www.alldatadiy.com and www.autozone.com if all fails stop by your local library and get your hands on a Haynes auto repair manual for your car wish you the best of luck Michigan Man.

    Nov 26, 2009 | 1990 Volkswagen Fox

    3 Answers

    Need to know what MAF means.


    MAF stands for mass air flow sensor, this is used to tell the computer how much air is entering the engine, check the air filter,and clean the sensor with CRC mass air flow cleaner, with engine off. hope this helps,let me know Ray

    Apr 13, 2009 | Nissan Maxima Cars & Trucks

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