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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

FAQ – Nissan 300ZX Turbo ECU Pinout

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One of the most overlooked modifications on any vehicle is the grounds that provide an essential ying to the battery and charging systems yang....

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...
Multimeter testing a shared five-volt sensor reference circuit connected to several engine sensors

How to Diagnose a Shared 5-Volt Reference Circuit

One failed sensor can pull down a shared 5-volt reference circuit and make several unrelated systems report trouble at the same time....

DTC P0135 – How To Service Your 02 Sensors

The P0135 Check engine light is a OBDII Trouble code informing you that there is a problem with one of your oxygen sensors. Your vehicle's...

How to Properly Load a Trailer

Before you prep any trailer for a tow, you've got to know how to properly load it. This great video from UHAUL shows you just how...

How To Install a Fan Controller

When it comes to the cooling part of your performance vehicle, too often enthusiasts overlook their fan wiring. Aftermarket radiator companies like Mishimoto, Koyo...

How To Program your VQ35 Accelerator Pedal

After you've serviced your VQ35DE electronic throttle actuator, you will need to perform a series of programming tests to help the VQ35 ECU "learn"...