PAT Air Mass Meter Insert AFM-173
SKU: AFM-173
PAT Air Mass Meter Insert - Your Key to Optimal Engine Management
Ensuring the smooth operation of your vehicle's engine management system, the PAT Air Mass Meter Insert is a crucial component. Positioned between the air filter and throttle body, this Mass Air Flow Sensor measures incoming air and often incorporates the Intake Air Temperature Sensor (ATS). The data collected by this sensor assists your engine's ECU in determining the correct fuel mix, ignition timing, and sometimes even transmission shifting.
How Does the PAT Air Mass Meter Insert Work?
- Inside the Mass Air Flow Sensor is a small, electrically heated wire, with another sensor nearby monitoring its temperature.
- At idle, minimal air flows over the wire, requiring low electrical input to maintain the wire's heat (around 200 degrees Celsius).
- When the throttle is opened, the surge of air cools the wire, necessitating more electricity to restore the temperature. The greater the airflow, the more power is required.
- This electric current directly represents airflow volume, providing your ECU with the information it needs to accurately inject the correct amount of fuel.
Potential Issues with the Mass Air Flow Sensor
- A faulty Mass Air Flow Sensor can lead to numerous problems, including rough idle, sluggish performance, black exhaust smoke, poor fuel economy, and even a warning light on your dashboard.
- The primary issue is contamination of the hot wire by dust, dirt, or oil, which can prevent accurate airflow readings.
- While newer Mass Air Flow Sensors are designed to minimise this problem, they are not infallible. Oily aftermarket air filters are a common source of contamination.
Diagnosing the Problem
- Check the sensor's signal with the appropriate scan tool or oscilloscope and compare it to the specifications for your vehicle.
- Warning codes on your dashboard can also indicate a problem (look out for codes starting with P0068, P0100, P0101, P0102, P0103, P0104).
- Don't overlook the basics! Intake leaks or faulty wiring can also affect the Mass Air Flow Sensor.
PAT Emission: Your Solution
PAT Emission offers over 340 top-quality Air Flow Meters and sensors, suitable for millions of vehicles across Australia and New Zealand. Choosing PAT means choosing parts built to your car manufacturer's standards, ensuring the perfect fit and function.
Note: For correct fitment, ensure the vehicle is listed in the compatibility list AND read any notes associated with the product. If there are no vehicle details listed, please send a message.
| SKU | AFM-173 |
| Model # | AFM-173 |
| Barcode # | 9341554032996 |
| Brand | PAT |
| Assembled Length | 0.010m |
| Assembled Height | 0.010m |
| Warranty | 12 Months |
| Contains Liquid | No |
Packaging note: PAT products may be supplied in PAT Premium packaging instead of the manufacturer's original box.
PAT sources EFI and engine-management parts from established OE-type manufacturers and repackages some of them in Australia. The manufacturer inside can change between batches as supply changes — for example, a part once made by Hitachi may now come from Bosch. Every unit is an OE-type part from a recognised manufacturer.
Packaging: Manufacturers periodically update their packaging and labelling. You may receive the current or a previous design — the product, formulation and part number are unchanged.
Fitment (vehicle-specific products): Vehicle fitment is based on manufacturer and supplier catalogue data and is kept as accurate as possible, but vehicle catalogues are not perfect. Some models had more than one part fitted depending on build date, engine, or component size/variant, and parts on older vehicles may have been replaced with non-original or different-style components.
Before you buy, compare the product images with the part currently fitted to your vehicle — check shape, size, connectors and mounting points. If the part on your vehicle looks different, please contact us before purchasing. It is the buyer's responsibility to confirm the part suits their vehicle before purchasing.
Not sure? Message us with your vehicle's registration number and state (preferred), or full VIN/build details, and we'll do our best to confirm fitment before you buy.
Parts returned because they do not suit the vehicle, where the listing matches the manufacturer's catalogue, are treated as a change of mind and must be unused, uninstalled and in original packaging. Nothing in this notice affects your rights under the Australian Consumer Law.
