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

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Oct 22, 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 ...

Common Duramax Diesel Problems, Troubleshooting, and ...

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Aug 14, 2020· I have a 2009 Duramax, I sometimes get a message ” Engine power reduced” when stopped at a stop light or coasting to a stop. Power is reduced for about 100 feet or so then it takes off and runs fine. When it is hooked up to the computer, it says it is the mass air flow sensor. I have changed it twice and replaced the air cleaner.

Mass Air Flow code help please | Diesel Place

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Jul 05, 2013· Diesel Engine Duramax First Generation: 20012004 (LB7) Duramax Second Generation: (LLY) Diesel Engine Fuel System, Air, Exhaust Emissions Upgrades Recommended Communities Pirate 4x4 Forum

Diesel cold air intake problem — Car Forums at

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I just installed a Volant cold air intake on my 2006 GMC Sierra 2500 HD with a Duramax diesel engine. My check engine light now comes on and by utilizing a Superchips flashpaq I determined that there is a DTC code P0101 which identifies a problem with the MAF. I checked the connections to the MAF sensor and insured it was installed correctly.

Mass Air Flow Sensor Quick test To Tell if Bad or Dirty ...

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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.

Mass Air Flow Sensor Problems Bolt On Performance ...

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Feb 07, 2010· I have a little problem that is occurring ... It seems my MAF Sensor is F*cking up. I have a Volant CAI and it has only been installed 3 years, with only about 12K miles on it. I have cleaned it out using an air hose. I have not reoiled it at this point. That being said ... I know that my new CAI is ramming way more air into my engine.

A Quick Way To Solve The Duramax Mass Air Flow Sensor ...

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To clean up the Duramax Mass Air Flow sensor, you have to pop it open simply by removing two screws that keep it attached to the air intake. Disconnect the wired connection from the sensor which comes from the ECU. Next up, use a Mass Airflow sensor cleaner which you can buy from a hardware store or auto parts store.

Bad Map Sensor Symptoms Duramax

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Jan 13, 2015· Bad Turbo Problems Symptoms And Repairs Blown Turbo Noise. Mass Air Flow Sensor Quick Test To Tell If Bad Or Dirty. Mass Air Flow Sensor Maf How It Works Symptoms Problems. 6 6l Duramax Vgt Solenoid Actuator …

LBZ: Turbo Underboost and Mass Air Flow code | Diesel Place

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Aug 11, 2011· Discussion Starter · 1 · Jul 2, 2011. Hey Guys, So recently on my 07 LBZ a check engine light has come on. When I checked the code It came up as a turbo underboost code and a second code relating to the mass air flow sensor. Just to be sure I took the truck into the dealer and they said the cause of the problem was my exhaust system.

Mass Air Flow sensor | Chevy and GMC Duramax Diesel …

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Mar 23, 2012· 175 Posts. 2 · Dec 27, 2011. Only show this user. Not about a diesel but on a gasser you really do not have to clean it if you stay on top of normal air filter changes. Usually I only seen them cleaned when they pull a code like a p0173 for a lean condition then you can try to clean and clear the code. But again this is on a gasser.

Mass Air Flow Sensor Failure | Diesel Place

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Oct 31, 2007· Typically the sensor is CDN, and 3 minutes to change. My truck was having issues, and after eliminating the obvious stuff, we changed the MAF and the problems went away. That said, **Usually** you need 2 or 3 of the 6 symptoms present with no other explaination for it to warrant changing the MAF sensor.

PO102 Mass Air Flow problem | E46 Fanatics Forum

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Jun 10, 2013· The Mass Airflow Sensor P0102 trouble code is set when the ECM detects a low voltage output from the Mass Air flow Sensor. Symptoms Check Engine Light will illuminate In many cases, no abnormal symptoms may be noticed In some cases, the vehicle may get poor fuel mileage Common Problems That Trigger the P0102 Code

reduced power mass air flow sensor problems | Page 4 ...

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Feb 22, 2010· Joined Feb 26, 2009. ·. 36 Posts. 68 · Mar 9, 2009. i just had the problem with the kn filter also. tech said oil from the filter was hitting the sensor and causing the code. said to clean the sensor and when it came on again to reclean and stop by and they would clear the code in the drive. may have to d it a few times before enough oil ...

MAF sensor problems |

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Jul 15, 2008· The actual air flow would be based on the area difference between the two intakes where the MAF sensor is placed. For instance, OEM = 4" diameter = sqin and maybe an aftermarket might be 5" diameter = sqin. So for a given MAF voltage reading, there is times more air flowing. The problem is, EFI limits the darn grams/second in ...

Mass air flow sensor problem | Chevrolet Cruze Forums

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Mar 31, 2015· Dirty or contaminated mass air flow sensor Failed MAF sensor Intake air leaks MAF sensor electrical harness or wiring problem (open, shorted, frayed, poor connection, etc.) Clogged catalytic converter on some models (GMC/Chevrolet mainly) Note that other codes may be present if you have a P0101.

P0101 LMM won''t go away |

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Jan 05, 2018· P0101 is not a maf code, but instead it is a mass air fliw outside of the desired range code. P0101 is hardly ever a maf code. It''s normally set by aftermarket air filter/boxes, air leaks in the intake tract, maf installed backwards, or something that has altered the amount of air going into the engine like an intake leak, boost tube leak, egr valve flowing when it shouldn''t, …

I have a 2007 Chevy Silverado with a Duramax engine. The ...

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May 25, 2012· The mass air flow (MAF) sensor is integrated with the intake air temperature (IAT) sensor. The MAF sensor is an air flow meter that measures the amount of air entering the engine. ... My problem is with my 2004 1/2 GMC Duramax. I installed a Hypertech power programmer last night (Max Energy) and when it ran the DTC search it came up with a ...

check engine code p0102 Mass Air Flow Sensor..K N intake…

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Jul 22, 2011· 2008 Chev 2500HD Duramax Getting a check engine code P0102 Mass Air Flow Sensor Sensor is good Cleaned filter, no obstruction, K N intake changed it back to stock (does same thing) Comes back after clearing code goes into "Reduced Engine Power"

Mass Air Flow Sensor trouble | Chevy and GMC Duramax ...

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Jun 27, 2013· P0101 mass air flow out of range. P0102 mass air flow signal low. P0401 insuffiecient egr flow detector. P0700 trans control system fault. P0113 intake air temp circuit signal high. P0299 turbo or super charger under boost. After driving 2 blocks light is back on. Check codes and P0101 and P0299 reappeared.

P0101 code and reduced Engine power flashes, P0101 mass air…

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Jul 28, 2017· P0101 mass air flow sensor and yes I have rest it with a scanner. Mechanic''s Assistant: What is the model/year of your GM? 2009 GMC Sierra 2500HD duramax. Mechanic''s Assistant: Are you fixing your Sierra 2500HD yourself? What have you tried so far? Yes, replaced MAF Sensor, Cleaned Sensor,

Most Common Cause of a P0101 "Mass Air Flow (MAF) Circuit ...

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Most common cause of a p0101 "Mass Air Flow (MAF) Circuit/Performance Malfunction"👍Code P0101 DefinitionMass Air Flow (MAF) Circuit/Performance MalfunctionM...

Aftermarket Mass Air Flow Sensors ... GM Truck Club Forum

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Sep 06, 2011· Volant Cold Air Intake with Ram Air Intake Tube Jet Mass Air Flow Sensor Diablosport Predator Tuner Previous Truck: 97 Suburban K1500 3" Body lift 2" Suspension Lift (Addaleafs and cranked up torsion bars) 35" Yokohama M/T''s KN Intake Airraid Throttle Body Spacer Hypertech Programmer Dual Flowmasters

mass air flow problem please help!!!!!!!!! | Diesel Place

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Mar 13, 2015· i have a 2008 duramax. i tow alot of heavy loads. lately, if i get on the gas hard it is very sluggish. truck wont raise much over 2000 rpm, is very slow, the reduced engine power comes up and check engine light. i took it by orileys and they put computer on it, says its mass air flow sensor. i...

GMC Sierra: Bad MAF Sensor → Symptoms Causes ...

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Aug 06, 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 GMC Sierra’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 Sierra’s ECU.

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