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Nissan Air Flow Meter X-Trail Patrol Maxima Subaru Impreza Forrester OE 22680-4M500

Nissan Air Flow Meter X-Trail Patrol Maxima Subaru Impreza Forrester  OE 22680-4M500

Nissan Air Flow Meter X-Trail Patrol Maxima Subaru Impreza Forrester 

OE 22680-4M500

Delivery Nationwide- Door to Door

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Nissan Air Flow Meter X-Trail Patrol Maxima Subaru Impreza Forrester 

OE 22680-4M500

Delivery Nationwide- Door to Door


This is a brand new, affordable OE Specification aftermarket replacement product. 100% Factory tested and built to strict quality control standard to ensure high performance and guaranteed to deliver better fuel economy.



An Air Flow Meter measures the amount of air and in some cases the volume of air going into the chambers of the engine. The ECU then electronically administers the correct amount of fuel to the cylinder ports. A critical component for engine performance and power, the MAF measures the flow and density of air into the combustion chamber of the engine. The resulting voltage tells the vehicle computer to adjust the injector pulse to change the amount of fuel delivered. If the MAF fails, the vehicle will not run correctly.

Defective Symptoms

The most obvious symptom of MAF failure is a "check engine light" lit on the vehicle dashboard. The MAF determines the mixture of air and fuel required for engine performance. So, MAF failure will create a wide variety of performance and power problems. These may include: hard to start vehicle; starts and immediately stalls; hesitation in engine; rough idle; running very rich or very lean fuel mixture; or "hiccup" when accelerating. These symptoms can appear before the MAF fails to the degree that the check engine light appears. 

Technical Specification

OE Numbers used for reference purposes only

NISSAN     22680-4M500,     226804M500

NISSAN     22680-4M501,     226804M501 

NISSAN     22680-2W200,     226802W200 

NISSAN     22680-6N201,     226806N201 

NISSAN     22680-6N200,     226806N200 

NISSAN     22680-AD201,    22680AD201

NISSAN     22680-AD200,    22680AD200 

SUBARU    22680-AA290,    22680AA290 

BOSCH     0986JG0318


Suitable Replacement for - (Including International Vehicles)

Make - Model

Engine Code







Nissan X-TRAIL (T30) 2.5 4x4





Nissan X-TRAIL (T30) 2.0 4x4





Nissan PATROL GR II (Y61) 3.0DTi





Nissan MAXIMA QX (A33) 3.0 V6 24V





Nissan MAXIMA QX (A33) 2.0 V6 24V





Subaru IMPREZA (GC) 2.0 I 4WD





Subaru FORESTER (SF) 2.0 S Turbo






Shipping Information

Ships via Berco - Door to Door - R 99.00

International Buyers, please ask for shipping quotation first.


Guarantee / Returns

Electrical items have a limited guarantee. Fitment must be carried out by an accredited repair centre, e.g. RMI accreditation

Returns are permitted within guarantee period. Buyer must obtain reference number before returning.


Product AKA

Mass Air Flow Meter, AFM, MAF Sensor, Air Consumption Meter, ACM, Mass Flow Meter, MFM


Food for Thought

An air flow meter is used in some automobiles to measure the quantity of air going into the internal combustion engine. All modern electronically controlled diesel engines use air flow meter, as it is the only possible means of determining the air intake for them. In the case of a petrol engine, the electronic control unit (ECU) then calculates how much fuel is needed to inject into the cylinder ports. In the diesel engine, the ECU meters the fuel through the injectors into the engines cylinders during the compression stroke.

The vane (flap) type air flow meters (Bosch L-Jetronic and early Motronic EFI systems or Hitachi) actually measure air volume, whereas the later "hot wire" and "hot film" air mass meters measure speed of air flow.

The flap type meter includes a spring which returns the internal flap to the initial position. Sometimes if the spring is tensioned too tight, it can cause restrict the incoming air and it would cause the intake air speed to increase when not opened fully.

Differential pressure is also used for air flow measurement purposes.



Air flow meters may fail or wear out. When this happens, engine performance will often decrease significantly, engine emissions will be greatly increased, and usually the Malfunction Indicator Lamp (MIL) will illuminate. In most countries in Europe, and in places in the United States where emissions inspections are obligatory, a lit MIL is cause for a vehicle to fail the inspection. Some engines do not idle with an air flow meter failure.



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