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Subaru Test Mode

This blog talks about Test Mode in a Subaru. Test mode is a diagnostic mode that is used to test all of the basic functionality that the ECU controls like fuel pump and radiator fans.   How do I know if my Subaru is in test mode? The simplest way...

Plug Spotlight - Gas Tank Plugs

In this post we go over the various types of gas tank plugs in a Subaru. Like most plugs, Subaru has changed the plug type for different features and availability. Below we have images as well as a description of which cars the plug is compatible with. Gas Tank Plugs...

Plug Spotlight - Blower Motor Fan Switch Plug

Click here to purchase your blower motor plug. The Blower Motor Plug or Blower Fan Switch Plug is found in Subaru models that utilize a manual air conditioning system. The simplest way to tell the difference between manual AC and automatic AC is by how the temperature is controlled. With...

MAP Sensor in your Subaru Explained

What is a MAP Sensor? MAP stands for Manifold Absolute Pressure. This MAP sensor measures the amount of air in the intake manifold to determine the volume of air going into the engine. The ECU then uses this measurement of air to regulate the amount of fuel to inject into...

Plug Spotlight - MAF Plugs

    In this plug spotlight we discuss the Subaru MAF plug. MAF stands for Mass Air Flow. The sensor that this plug connects to is actually a combination sensor which means it has two inputs in one; the MAF and the IAT (Intake Air Temperature). The sensor is reading...

iWire Merge - Commonly Confused Plugs

In this blog post we talk about the plugs that are most commonly mixed up or confusing for our merge customers. Below we have pictures of each with a short description to help clarify things. This is specifically for 98-01 Impreza models. Many other models have similar connectors so this...

Plug Spotlight - Coolant Temperature Sensor Plugs

The coolant temperature sensor plug in a Subaru is connected to a sensor that gauges the engine temperature. The sensor itself is made of a metal that raises and lowers the resistance between the two terminals of the plug depending on how hot it gets. The ECU and cluster pick...

ABS in your Subaru

In this blog post we talk about the Anti-Lock Brake System (ABS) in your Subaru, ABS Deletes, and how the car is impacted when those signals are removed. What does ABS stand for? Anti-lock Brake System. The fastest way to stop a vehicle is to not slide (even if that's...