2011 bmw 3281 n52 mass air flow sensor problems

These issues can create dangerous situations causing accidents and injury. This could happen while speeding up on the highway on-ramp or cruising down a city street. You’ll experience this as poor drivability such as hesitations or sudden jerking motions, particularly during acceleration. Stalling, jerking, or hesitation during accelerationĪ bad MAF sensor can cause too much fuel to be left in the combustion chamber, creating untimed detonations. There are 3 key signs that may indicate it’s time to examine your MAF sensor. This causes the engine computer to miscalculate the amount of injected fuel, causing additional damage to your engine. A contaminated or failed mass air flow sensor cannot measure the amount of air flow correctly. Replace the sensor and reassemble the vehicle following the above steps in reverse.The mass air flow (MAF) sensor, part of your vehicle’s electronic fuel injection system, is responsible for calculating the total amount of air entering the engine.Remove the mass air flow sensor from the intake muffler lid.Using a T25 torx bit, remove the two screws securing the mass air flow sensor to the intake muffler lid. Remove the intake muffler lid from the vehicle.Use a flat blade screwdriver to loosen the hose clamp securing the intake pipe to the intake muffler lid.

Using a metal pick, GENTLY lift the plastic retaining tab on the BMW mass air flow sensor plug.In most models, plastic latches hold the lid in place. Remove the lid from the intake muffler.It is located on the intake pipe just downstream of the intake muffler. Care should always be taken when disassembling your intake system.cracking a pipe or fitting can cause vacuum leaks. Section 1 - Replacing the N52 BMW MAF Sensor As mentioned above, the mass air flow sensor on the N52 engine is conveniently located on the air intake pipe next to the intake muffler (air filter housing).

2011 bmw 3281 n52 mass air flow sensor problems