Air Flow / Mass Meter, with E-Gas for Porsche 997 996 986 Boxster

If one of the following symptoms applies to your Porsche, this may be due to a defect in the mass air flow sensor:

• Noticeable drop in engine power

• The top speed can no longer be reached

• Power gaps and delayed throttle response

• Vehicle judders

• Failure of the kick-down function in automatic transmissions

• Fuel consumption increases

• Poor exhaust values

There are many causes for a defective LMM:

• Water has penetrated the air filter in heavy rain and damaged the sensor

• Dirt particles in the intake manifold damage the air flow meter