In this blog post, we go over the basics of what a tune is and when it's recommended to tune your car. What is Tuning? Tuning or getting a tune is a recalibration of your Engine Control Unit (ECU). The ECU is calibrated from the factory for specific inputs and...
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What does it mean that my Subaru is Immobilized?
When someone says their Subaru is immobilized or has an immobilizer it means there is a secondary security module that without the proper inputs keeps the car from starting, or if it does start, it dies immediately. Unlike conventional aftermarket security systems that use a starter interrupt to keep the...
Which Subaru Engine Do I Have?
Which Subaru engine do I have? We know this seems like a silly question but a lot of engines are mislabeled and people sometimes purchase the incorrect engine for their project. We thought we would create a guide to distinguish which engines are which. Please note this is for EJ20...
What is a Wideband Sensor and Which iWire Plug and Play Wideband Kit Should I Get?
In this blog post, we go over what a Wideband sensor is and why we recommend it for your Subaru. What is a Wideband Sensor and Why Do I Need It? A wideband sensor measures the air/fuel ratio in exhaust gases to determine how the engine is running. When modifying...
Grounding Issues - iWire Grounding Kit
In this blog post we go over the basics of grounding and why it’s important in your Subaru. You can purchase the iWire Grounding Kit by clicking here. Here is our Owner Brian talking with Flatirons Podcast about the importance of grounding in your Subaru. The most important thing we...
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 to...
Subaru Project Do's and Don'ts
iWire has been a part of a few thousand Subaru projects over the years. We thought it would be a good idea to give some general tips to people doing Subaru projects of their own. Below are some do's and don'ts that we recommend for almost every Subaru project, whether...
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...