Sep 25, 2016· This problem may or may not be caused by the mass airflow sensor. If it is the MAF, and cleaning it was unsatisfactory, it will be need to be replaced. There are many possible causes for the Check Engine Light to come on besides the mass airflow sensor, so have an expert read the codes and address the Check Engine Light accordingly. Suzuki
In extreme cases, a contaminated air filter can turn on the check engine light. How a contaminated air filter can turn on the check engine light An extremely dirty air filter restricts engine air intake. This disrupts the air/fuel mixture inside the engine.
Answer (1 of 3): Yes. If the MAF is faulty, the engine computer may be unsure how to properly control the turbo this is more applicable in a variable vane turbo than a wastegate, but can still apply. The issue may be cured with a new sensor, but if …
Bad Mass Air Flow Sensor no Check Engine Light. If you noticed from the above symptoms of bad mass air flow sensor check engine light is the number 1 symptoms and that is because it is the foremost indicator of a bad MAF sensor. However, in some scenarios, you might still be having a bad mass air flow sensor, yet no check engine light will.
Dec 24, 2018· the check engine light came on a little bit ago and we got it tested and it was the mass air flow sensor, we recently about 2 weeks ago changed it but the engine light remains on and i know its supposed to take a minute to go out but its been longer now, also every time i get gas (it did this before i changed the MAF as well and was a result of needing to change it) …
Feb 22, 2021· The mass airflow sensor is a key sensor in your car. Your car has a lot of sensors, and this is just one that helps your car run properly. That brings up the question of can your car run without the mass air flow sensor? In this article, we will look at what happens when you disconnect the mass airflow sensor.
Dec 16, 2017· Quick test to tell if Mass Air Flow Sensor is bad or dirty which could be causing your car or truck to run bad or keep cutting off.
Feb 24, 2012· A check engine light often comes on due to a dirty airflow sensor (MAS). Learn the symptoms of an MAS that needs cleaning, and how to clean it. A mass airflow sensor (MAS) determines the mass of air entering a vehicle''s fuel injection engine, and passes that data to the Engine Control Unit, or ECU.
Mar 14, 2011· 2. 3. Testing the Ford mass air flow (MAF) sensor on all of the Ford, Lincoln and Mercury cars and trucks is a very simple test that can be done without a scan tool. All you need is a multimeter. I recommend using a digital multimeter but an analog multimeter can also be used. Ford has used a HotWire type mass air flow sensor for many years ...
MASS AIR FLOW SENSOR INVESTIGATION. No dealership or service provider, when contacted, has ever been able to provide us with evidence to support this "myth," and in fact, our investigations have revealed that even authorized dealerships are simply speculating and do not have the test equipment necessary to know whether the sensor has failed or why.
Check Engine Light These issues can happen when the MAF sensor is damaged or when its wires are coated with dirt. It can''t measure airflow accurately, therefore sending incorrect information to the PCM. When it overestimates the airflow, the PCM releases too much fuel.
Sep 26, 2016· Check Engine Light is on Inspection. Get a Quote. David Gaines Wooten. Automotive Mechanic. 25 years of experience. First check to see what codes are being set which cause the Check Engine light to illuminate. This problem may or may not be caused by the mass airflow sensor. If it is the MAF, and cleaning it was unsatisfactory ...
4 Common Reasons the Check Engine Light Comes On. There are many, many reasons that the check engine light may come on in you car, truck or SUV. A malfunctioning sensor, low tire pressure, low transmission fluid and so much more will cause the light to come on. But some reasons the check engine light comes on are much more common.
Jun 06, 2018· Reinstall the Mass Air Flow (MAF) Sensor and clear the check engine light using FIXD. If the check engine light comes back on with code P0172 continue the diagnostic process. If check engine light code P0172 persists after you have inspected the air intake system and cleaned the Mass Air Flow (MAF) Sensor, perform a fuel pressure test .
Symptoms of a Bad Mass Air Flow Sensor. Symptoms of a faulty mass air flow (MAF) sensor may include: ... if the check engine light is on, make sure to download trouble codes from the computer''s memory. The codes may give you the clue to fix the problem. ... Even a dirty air filter can cause the MAF sensor to send a faulty signal.
Oct 09, 2019· Many cars use a mass air flow (MAF) sensor to measure the amount of air entering the engine. When the device goes bad, it can lead to various symptoms, ranging from an illuminated check engine light to rough running and misfiring.. As you might guess, a bad MAF sensor can be a huge inconvenience.
Apr 12, 2019· There are many other issues that can cause a check engine light to appear, and many of them are relatively inexpensive fixes, including loose fuel caps, A/C compressor clutch relays, EEC fuses, dirty ground wires, and more.. While thankfully not in the top 10 list, the most expensive check engine light related repair in 2017 was engine replacement—clocking in at …
Oct 15, 2021· Diagnostic trouble code (DTC) P0102 isn’t in every vehicle’s code library, but whenever it appears it means “Mass Air Flow (MAF) Circuit Low.”. The code is set when the ECM/PCM perceives a problem with the mass airflow (MAF) sensor’s performance. The MAF sensor is mounted between the air filter and the throttle body.