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Can a Bad Sensor Prevent a Car From Starting? | …

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17/11/2015· An example of this is the Mass Air Flow sensor or MAF. The job for this sensor is to let the computer know how much air is in the engine. As more comes in, more fuel is also needed to maintain optimal ratios. Without the correct ratio, the engine won’t run. The MAF can become clogged with excessive carbon buildup from the combustion cycle, or sometimes by …

after replacing the MAF sensor car won''t stay running after …

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16/11/2014· Rule of thumb is that MAF reading should be roughly equivalent to engine size. Example: Liter engine at idle should flow grams/second Example: Liter engine at idle should flow grams/second Verify that the Mass Air Flow Sensor is reporting air flow close to this range. If it is not, inspect the connector and wiring harness.

Suzuki Swift: Bad MAF Sensor → Symptoms Causes | Drivetrain Resource

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06/08/2019· The mass airflow sensor (commonly abbreviated to MAF) is one of the most important engine management sensors. A bad mass airflow sensor can leave your Suzuki Swift’s engine running rough, or even inoperable. A MAF sensor measures the density of the air entering the intake manifold. It passes this information onto your Swift’s ECU. The ECU ...

MAF Sensor Problem Car Wont Start | Subaru WRX Forum

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11/04/2020· MAF Sensor Problem Car Wont Start. Jump to Latest Follow 1 16 of 16 Posts ... An then a few days later at cold start it would wanna stall and not stay running on a cold start or at a idle when I would come to a redlight. So I did some research and came to the conclusion that my MAF sensor was bad so I did a little test and unplugged the MAF car started right up no …

Toyota Sequoia: Bad MAF Sensor → Symptoms Causes Drivetrain Resource

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05/08/2019· The mass airflow sensor (commonly abbreviated to MAF) is one of the most important engine management sensors. A bad mass airflow sensor can leave your Toyota Sequoia’s engine running rough, or even inoperable. A MAF sensor measures the density of the air entering the intake manifold. It passes this information onto your Sequoia’s ECU. The ...

Toyota Sequoia: Bad MAF Sensor → Symptoms Causes | Drivetrain Resource

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05/08/2019· The mass airflow sensor (commonly abbreviated to MAF) is one of the most important engine management sensors. A bad mass airflow sensor can leave your Toyota Sequoia’s engine running rough, or even inoperable. A MAF sensor measures the density of the air entering the intake manifold. It passes this information onto your Sequoia’s ECU. The ...

air flow sensor..car still wont start...crank sensor ... JustAnswer

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27/09/2010· air flow sensor..car still wont start...crank sensor..running fine… Customer Question. Ok so we changed the... Ok so we changed the mass air flow sensor but it didn''t do anything. the car still won''t start. We are thinking of changing the crank sensor now. the car was running fine aside from a hic up every once in awhile so we thought it was the code it was …

Mazda Mass Air Flow (MAF) Sensor | Symptoms | Repair

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Mazda Air Flow Sensor + Screwdriver; Procedure. Let the engine cool down. Next, open the hood of the Mazda and disconnect the battery. Locate the mass airflow sensor on your Mazda 5. The sensor is located near the engine air filter housfilter housing. Unplug the wire harness. Next, unplug the electrical connector from the Mazda mass airflow sensor.

Mass Air Flow (MAF) Sensor?????? Car Forums and Automotive …

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13/12/2004· Mass Air Flow (MAF) Sensor????? Lumina Car Forums Automotive Forums .com Car ... A couple of things I notice when it wont start are the check engine light comes on, and it smells like its "running rich". Any help would be greatly appreciated, alot of you know how stressfull and unsafe an unreliable car can be, especially with kids in the car."" jeffcoslacker. …

How to Troubleshoot a Mass Airflow Sensor AxleAddict

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The hot wire or film element is dirty or damaged so that it is unable to ''feel'' air flow. The sensor selfcleaning electrical circuit (on hotwire types) has failed. The most common cause of MAF sensor failure is a dirty sensing element. Depending on your specific results, you may want to check the sensor itself: Disconnect the MAF sensor from the air cleaner assembly and …

cleaned my mass air sensor now car wont start | Ford Mustang …

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01/05/2003· cleaned my mass air sensor now car wont start. Jump to Latest Follow Status Not open for further replies. 1 18 of 18 Posts ... The mass air wire does not need a flooding! Just small amounts of alcohol like GT Raptor said. Have you tried pressing the gas while cranking it to see if that helps . 86 GT: Edelbrock Performer 289 Intake/Carb, Holley Blue fuel pump, BBK …

Mass Air Flow Sensor: My Car 2000 Jetta Had Trouble Starting …

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4 CYL. 2WD. AUTOMATIC. 136,000 MILES. My car 2000 Jetta had trouble starting for a while, finally would then a lot of white exhaust would come out. Car won''t start now and computer says trouble with the fuel air metering. I cleaned the Mass Air Flow Sensor. It will backfire but won''t turn over.

Suzuki Swift: Bad MAF Sensor → Symptoms Causes Drivetrain Resource

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06/08/2019· The mass airflow sensor (commonly abbreviated to MAF) is one of the most important engine management sensors. A bad mass airflow sensor can leave your Suzuki Swift’s engine running rough, or even inoperable. A MAF sensor measures the density of the air entering the intake manifold. It passes this information onto your Swift’s ECU. The ECU ...

I replaced the MAF Sensor and now the vehicle won''t start, it …

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28/08/2016· Why won''t my 2002 Ford Windstar start? I have replaced the mass air flow sensor and the air filter, could it be the fuel filter? 1 Answer. It has new sparkplugs, air filter, new battery, it has spark, it is getting gas, and it has air. I put a code reader on it, and it says no codes. Any ideas??

Mass Air flow Sensor (MAF): how it works, symptoms, …

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09/07/2021· What is Mass Air Flow Sensor in a car, problems, symptoms, mass air flow sensor testing, replacement ... Why a car won''t start; Why Check Engine light is on? How car parts and sensors work; Used car reviews. Toyota Corolla 20092013; Chevrolet Cruze 20112015 ; Mazda 3 20102013; BMW 3series 20062011; Toyota Camry 20122017; Mazda 6 …

Nissan XTrail Sensors: problems and issues StartMyCar

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My car start and then immediately after something of 23second it dies. I air flow sensor but still. Travis from OTHER COUNTRY a year ago . TR. Comment Same issue here. 1 answer . CO. Colly from South Africa 3 months ago. My nissan diesel extrail start and die after 3 seconds, any clue . Reply Vote helpful. Comment. Does not start. Nissan XTrail 2005 80300 miles. …

SOLVED: Replace mass air flow sensor now car won''t stay Fixya

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06/04/2018· the o2 heater circuit won`t cause a quit running a mass air flow problem would check the voltages at the connector and compare to specs and also condition of the have a problem with a small amount of dirt covering the mass sensor you clean the wire from both sides dry it and reinstall this may cure your problem with …

The engine cranks but won''t start. Common problems

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09/07/2021· In many cars a failed mass air flow sensor can cause a car not to start. The car might start for a second, but stall immediately. Mechanics often use a knowngood mass air flow sensor to test if the engine starts. Some mechanics try disconnecting the mass air flow sensor to see if the car starts without it. Replacing a mass air flow sensor is easy and not very …

I replaced the MAF Sensor and now the vehicle won''t …

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28/08/2016· Why won''t my 2002 Ford Windstar start? I have replaced the mass air flow sensor and the air filter, could it be the fuel filter? 1 Answer. It has new sparkplugs, air filter, new battery, it has spark, it is getting gas, and it has air. I put a code reader on it, and it says no codes. Any ideas??

Pontiac G8 Questions Why won''t by g8 start? CarGurus

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03/02/2014· Towed it home, and realized the mass air flow sensor was smoking when trying to start. Replaced mass air flow sensor, but now the engine immobilized light is on, and won''t let the car start. What is going on, and how can I fix it? 2 Answers. 37,695 Report; James answered 7 years ago why was it smoking maybe a short and that was blowing fuses you''ll damage the …

Mass Airflow MAF Sensors Automotive Repair Help

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Injector timing varies depending on the application, but if the mass airflow sensor is not producing a signal, injector timing will be about four times longer than normal (possibly making the fuel mixture too rich to start). You can also use millisecond readings to confirm fuel enrichment when the throttle is opened during acceleration, fuel leaning during light load cruising and …

Bad Mass Air Flow Sensor? (7 Symptoms with Fixes) | The …

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22/10/2018· 03/31/2021 10/22/2018. The symptoms of a bad mass air flow sensor include low engine power, poor fuel economy, an engine that won’t start, a check engine light on the dash and a gas smell from the exhaust fumes. A bad mass air flow sensor is often the likely culprit if your car isn’t running as it should. The job of the mass air flow sensor ...

Can a Mass Air Flow Sensor Fix a NoStart Car? YouTube

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28/04/2019· Video 3 as Monkey Wrench Mike tries to get a Mercedes CLK320 back on the road! This time he tries a new MAF sensor? Are they all created equal?

Car runs with the mass airflow sensor unplugged. If you p...

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17/10/2016· If you unplug the mass air flow sensor the car will start. If you try to plug it in while it''s running the car will die. My car has 90000 miles. My car has an automatic transmission. Recommended Services. Spark Plugs Replacement: : Get a Quote : Mass Airflow Sensor Replacement: : Get a Quote: Jay Safford. Automotive …

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