mass air flow sensor symptoms duramax

Its very common that it will have dirt debris or oil on it especially if the intake has an oil filter installed. Here are the most common symptoms of a bad or failing MAF sensor.

Part 1 How To Test The Gm Maf Sensor 4 8l 5 3l 6 0l 8 1l

In that case the cars computer cannot control the fuel-to-air ratio because the sensor does not send any information to it.

. Mass Air Flow MAF Sensor Circuit Low Input. Typically the sensor is 14700 CDN and 3 minutes to change. I spent 100 on diagnostic.

Thes two items corrected their respective fault codes. It helps regulate the amount of air entering your duramax. Mass Air Flow MAF Sensor Circuit RangePerformance Problem.

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. Here are a couple of others. A properly functioning MAF sensor is vital for an engine to run efficiently.

Mass Air Flow MAF Sensor Circuit Malfunction. A faulty mass air flow sensor will also cause the Service Engine Soon or Check Engine light to turn on. Duramaxthe Mass air flow sensorfault codesEGR.

If your Duramax Mass Air Flow Sensor is giving wrong readings about the airflow its time to check upon it. I took it to the Chevy garage. Stalling jerking or hesitation during acceleration A bad MAF sensor can cause too much fuel to be left in the combustion chamber creating untimed detonations.

For instance OEM 4 diameter 1256 sq-in and maybe an aftermarket might be 5 diameter 1963 sq-in. Engine idles roughly or halts. Mass Air Flow MAF Sensor Circuit High Input.

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. Surging under Cruise control 6. 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.

So for a given MAF voltage reading there is 156 times more air flowing. You can experience a lack of power stalling poor acceleration and even a no-start engine while driving your car. Follow These Tricks.

Idle Issues Your Silverado may run rich or lean when idling or it may also idle erratically. Throwing overboost codes and the MAP checks out. 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.

Balance rates of injectors out of whack the same 4. This could happen while speeding up on the highway on-ramp or cruising down a city street. In no particular order.

When the mass airflow sensor has gone bad youll definitely feel it. The most common symptom of a bad MAF sensor is engine performance issues together with a check engine light on your dashboard. 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.

Youll experience this as poor drivability such as hesitations or sudden. 3 Symptoms of a Bad Mass Air Flow Sensor 1 Your Car Hesitates or Suddenly Jerks Forward While Accelerating A bad MAF sensor can cause your vehicle to experience poor drivability issues such as engine stalling jerking or hesitation during acceleration. A bad mass air flow sensor will cause different drivability issues.

DTs Bob Petersen ex. The EGR codes are still present af. The mass air flow sensor is a critical piece of equipment on your air filter.

7 Symptoms of a Bad Mass Air Flow Sensor. As a result the engine either halts or idles roughly. A MAF sensor diagnostic trouble code DTC stored in your vehicle computers memory.

I have a 2005 duramax lly model I recently replaced the Mass air flow sensor and barometric pressure sensor. There are many symptoms of one failing. Summary symptoms of a bad mass air flow sensor.

These performance issues may include a loss of power rough acceleration hard starting condition misfires or. These are the bad MAF sensor symptoms that indicate that the sensor is completely out of order. The problem is EFI limits the darn gramssecond in.

I got a cheap 99 one from auto zone and same problem - engine power reduced. Richer than normal diesel smell in exhaust 3. Unstable hunting idle 5.

They deemed my mass air flow sensor bad on my 2008 Chevy 3500 diesel truck. Illuminated Check Engine Light. Ive replaced the air cleaner new oil change fuel filter change and new iat 2 - internal air temperature 2 sensor.

Up to 25 cash back 3563 satisfied customers. The actual air flow would be based on the area difference between the two intakes where the MAF sensor is placed. A rich condition is when there is not enough air relative to the fuel in the airfuel mixture.

There are several symptoms of a bad MAF sensor and not all of them are immediately obvious.

Chevy Mass Air Flow Maf Sensor Replacement Guide