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Looking for help with your vehicle? Do you see the dreaded check engine light on? have a problem with your car or truck and need a find a DIY guide? Our collection of How To articles can help you save money and time and get back on the road. No matter what issues in your vehicle you can find the how to tutorial to help you.
Whether you car problems are simple or complex, our guides are here to help. With just a digital multimeter at your side, you can test and diagnose most of your car issues with our How To articles. One of the other tools that is a must have when you want to fix a car yourself is the OBDII scan tool.
These tools quickly connect to your OBDII vehicle to read the Diagnostic Trouble Codes that are stored in your engine computer. Need a How To guide but can't find it in our archive? Leave us a comment or message us and let us know, we'll be glad to help!

Popular FAQ

How To Test a Ford Mustang IAT Sensor

Otherwise known as the Intake Air Temperature sensor, your Ford Mustang IAT Sensor is located in your intake piping. This unit is a two...

DTC P1121 – How to Service your Civic Throttle Position Sensor

The OBDII trouble code P1121 is due to your throttle position sensor signal being lower than expected by your ECU. Problems that arise from this OBDII...

FAQ: Internal vs External Wastegates

The question we often hear from customers about turbochargers or turbo kits in general is the age old debate of internal vs external wastegates....

How To Reset the Maintenance Light on a Toyota Camry

Requested by Tony from LA, we're going to be tackling the maintenance light in your Toyota Camry today, another chapter in the How To...

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 : How To Test Your Starter

There's nothing more annoying that trying to start your car and hearing the ever ominous "click" of your starter solenoid going out, not to...
Driver inside a connected modern car surrounded by location, biometric, phone and driving-behavior data graphics

Modern Cars Collect Too Much Data—and Owners Have Too Little Control

Connected cars can collect precise location, driving behavior, phone information and biometric data while giving owners limited control over its use.

How To Wire a 2G MAF in a 1G

The first generation of DSM's included the Mitsubishi Eclipse, Eagle Talon as well as the Plymouth Laser. These vehicles were quite a bit ahead...