How To

Home How To
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

California used-car buyer reviewing dealership paperwork under the new three-day CARS Act cancellation law

California’s New Three-Day Used-Car Return Law Is Now in Effect

California’s new CARS Act gives eligible used-car buyers three days to return vehicles priced under $50,000. Here’s how the mileage limit, fees, refunds and dealer requirements work.
Acura RSX start-and-stall diagnosis showing immobilizer, fuel pressure, throttle body and injector tests

Why Does My Acura RSX Start and Then Immediately Stall?

If your Acura RSX starts and then immediately stalls, check the immobilizer, fuel pressure, throttle body, vacuum system, sensor data and idle learning before replacing parts.

How to Test a RSX Starter

Bench testing a component of your vehicle is never a good time, in fact it can be described as miserable especially when you don't...
Automotive PWM waveform showing 25, 50 and 75 percent duty cycles controlling a vehicle solenoid

What Is PWM in a Car? Why Your Multimeter May Be Lying to You

Automotive PWM circuits rapidly switch power or ground to control components. Learn how duty cycle works and how to test it correctly.

How To Install a Turbo Timer – Honda Accord

The work that the turbo timer or auto timer is responsible for is a very important one in your turbocharged vehicle. Whether you have...
Toyota RAV4 plug-in hybrid beside a technician checking vehicle information with a diagnostic tablet.

Toyota Recalls 31,000 RAV4 Plug-In Hybrids Over Power-Loss Risk

Toyota is recalling approximately 31,000 2026 RAV4 plug-in hybrids because an ECU fault can shut down propulsion. Dealers will update the software free of charge.
California gas station showing regular gasoline at $6.40 per gallon as statewide fuel prices approach a record high in October 2026.

California Gas Prices Near Record High as Drivers Face $6.40 a Gallon

California regular gasoline has climbed to roughly $6.40 per gallon, putting the statewide average within a few cents of the all-time record as crude-oil costs, refinery constraints and the state's isolated fuel market pressure drivers.

FAQ – What is the RB26 JDM Engine?

Yet another chapter in the long history of Japanese super engines of the 1990s, the RB26DET is in many ways the turbocharged inline six...