DTC Doctor

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Popular FAQ

5 Engine Mods to Increase Performance

When you want to modify your car, there are many engine mods to choose from. Some of these parts can help performance and gas...

FAQ : B Series Cam Guide

We've tackled the Cam Guide or How to Choose Cams Guide for the LS1 series of engine in our How to Swap LS1 segments...

How to Test a Chevy Suburban Blower Motor

The blower motor in your Chevy Suburban is critical to your climate control, and when it starts to fail there's several symptoms that are...

How To Check your Acura RL Trouble Code

When your see the familiar yellow light of your check engine light on your dash, you don't need a scan tool to retrieve your...

Honda VTEC FAQ – How VTEC works

One of the most commonly used terms by Honda enthusiasts around the world, VTEC is Honda's variable valvetrain technology. VTEC technology in the mid...

Why it’s important to rotate tires

Car maintenance is important to the longevity of your vehicle,and your tires are a vital part of scheduled maintenance. Tires are an essential part...

FAQ : LS1 Rocker Arm Ratios

LS1 rocker arm ratios are fairly standard across the board, with a 1.7:1 ratio for all the GM GEN III cylinder heads with the...

FAQ : The OBDII Trouble Code and You

OBD is the On-Board Diagnostics of your vehicle's ECU or PCM, capable of testing many different facets of your vehicle and engine to ensure...