mass air flow sensor symptoms duramax

A properly functioning MAF sensor is vital for an engine to run efficiently. I have a 2008 duramax.

Chevy Mass Air Flow Maf Sensor Replacement Guide

Here are the most common symptoms of a bad or failing MAF sensor.

. SPOOLOGIC MAF Mass Air Flow Sensor for 075-10 LMM Duramax. If the car dies when you disconnect the mass airflow sensor then that means it was working right and that your computer has issues. Cancer and Reproductive Harm.

The symptoms of a bad mass air flow sensor include a car that is difficult to start bad fuel economy a rough idle lack of power especially when accelerating and sometimes a fuel smell from the exhaust fumes. If your check engine light is on and your car has any of these symptoms you can check the MAF sensor with an OBD-II. I bought cleaner and cleaned it pulled onto road stomped it and.

But again this is on a gasser. Symptoms of a bad mass air flow sensor include decreased fuel economy starting trouble stalling shortly after starting rough idling and jerking during acceleration. Throwing overboost codes and the MAP checks out.

Idle Issues Your Silverado may run rich or lean when idling or it may also idle erratically. Balance rates of injectors out of whack the same 4. Also if the computer isnt the issue then it means one of the other sensors is probably off if the car isnt able to keep running without the mass airflow.

They compare the readings to the specifications or to a known-good mass airflow sensors readings. The mass air flow sensor is a critical piece of equipment on your air filter. Truck wont raise much over 2000 rpm is very slow the reduced engine power comes up and check engine light.

7 Symptoms of a Bad Mass Air Flow Sensor. Up to date maintenance with recent fuel oil filter and air filter changes about 3000 miles ago. The exhaust color is usually darker when running rich.

Rough or Jerky Acceleration. Typically the sensor is 14700 CDN and 3 minutes to change. Richer than normal diesel smell in exhaust 3.

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. The CEL came on and the the DIC Reduced Power notice. The oil residue can get on the sensor and creates a sluggish truck poor mpg Pull the maf sensor out and spray it of with crc maf cleaner.

I took it by orileys and they put computer on it says its mass air flow sensor. Mass air flow sensor values are frequently taken at. At various RPMs mechanics measure the amount of mass air flow sensor data.

Not 100 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. 21 Sep 2 2018. If your Duramax Mass Air Flow Sensor is giving wrong readings about the airflow its time to check upon it.

MASS AIR FLOW SENSOR - Replacement 2007 for GMC Sierra 2500 HD Classic 66L2001-2006 for GMC MAF Sierra 3500 66L2007 for GMC Sierra 3500 Classic 66L. In no particular order. As you may suspect a faulty Air-fuel mixture caused by a bad MAF sensor can also cause your acceleration to become rough or jerky.

They are SUPER sensitive exspecially for guys that run oiled filters wich your not. Symptoms of a bad mass air flow sensor A contaminated or failed mass air flow sensor cannot measure the amount of air flow correctly. Surging under Cruise control 6.

2 Dec 27 2011. Unstable hunting idle 5. DTs Bob Petersen ex.

Hi I have a bone stock 20075 truck. This is most often because the air-fuel mixture becomes too lean so the car engine is starving from a lack of food and this will cause it to jerk. Joined Jan 7 2012.

Kit also comes with 5 heat shrink butt connectors. 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. Summary symptoms of a bad mass air flow sensor.

There are several symptoms of a bad MAF sensor and not all of them are immediately obvious. Lately if i get on the gas hard it is very sluggish. The mass air flow sensor is made of high-temperature resistant materials which can better protect the sensor from damage improve engine performance and have high performance and reliability.

Its very common that it will have dirt debris or oil on it especially if the intake has an oil filter installed. It isnt able to use the tables programmed in it to guess the amount of fuel needed. This is a genuine GM OEM Duramax Mass Air Flow MAF sensor repair harness.

21 - 21 of 21 Posts. 72000 miles on it. 2006 Chevy Silverado 66l Duramax LLY check engine light is on with mass air flow sensor codes no parts were needed to fix this oneThis is for education.

The reduced power didnt last long but the diagnostic code remained -- 0101. A mass air flow sensor measures the air flow coming in. Performance and circuit diagnostic trouble codes may refer directly to the MAF sensor but fuel trim and misfire codes can also be linked to the MAF sensor.

A rich condition is when there is not enough air relative to the fuel in the airfuel mixture. I tow alot of heavy loads. Dont use anything else put maf cleaner.

It helps regulate the amount of air entering your duramax. This causes the engine computer to miscalculate the amount of injected fuel. It has the correct wire gauge and terminal tension required to have your repair work correctly.

There are many symptoms of one failing. Illuminated Check Engine Light. For everyone that says mafs make a truck run like crap thats bull my lly runs like a champ without it plugged in only reason I figured this out been having a intermittent dead pedal issue when the truck locks up in 4-5 gear something like that.

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