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Product Information
Product Information
Air mass / flow sensor.
OE Match air mass / flow sensor for Porsche 997 Turbo, 997 GT3, and 957 Cayenne Turbo MKII models. This replacement sensor fits left or right side applications and helps measure intake air flow for correct engine management and performance.
Sold individually. Quantity required depends on model and intake layout. For vehicles using left and right sensors, 2 may be required per vehicle.

Fits:
Porsche 997 Turbo MKI
Porsche 997 Turbo MKII
Porsche 997 GT3 MKII
Porsche 957 Cayenne Turbo V8 4.8L MKII

The air mass / flow sensor measures the amount of air entering the engine intake system. This information is sent to the engine control unit, allowing it to adjust fuelling, ignition, boost control, and overall engine performance.

Functions
Replaces the air mass / flow sensor
  Measures incoming intake air flow
  Sends air flow data to the engine control unit
  Helps support correct fuel mixture and engine performance
  Assists with smooth idle, throttle response, and emissions control
  Fits left and right side applications where specified
  OE Match replacement for Porsche intake and engine management repair.

Why Replace This Part?
Air mass / flow sensors can fail due to age, contamination, oil vapour, air filter debris, moisture, electrical faults, or damaged intake components. A faulty sensor may cause poor idle, hesitation, reduced power, increased fuel consumption, engine warning lights, rough running, or incorrect boost and fuelling behaviour. Replacing the sensor helps restore accurate air measurement and reliable engine performance.

When to Replace This Part
  Engine warning light or air flow sensor fault codes are present
  Idle is rough, unstable, or uneven
  Throttle response is poor or delayed
  Engine power is reduced
  Fuel consumption has increased
  Hesitation, flat spots, or poor acceleration are present
  Intake system or engine management faults are being diagnosed.

Where it fits on the car
This sensor fits in the engine intake air system. It can be used on the left or right side where applicable, depending on model and intake layout.

Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

99760612501
99760612500
0280218192
99760612501

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