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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

Moroso performance parts including racing oil pan, oil accumulator, coolant expansion tank, air/oil separator, battery terminals and engine-building components.

Moroso Performance Parts FAQ: Oil Systems, Cooling, Electrical and Racing Hardware

This Moroso performance parts FAQ explains how oil accumulators, racing filters, catch cans, vacuum pumps, coolant expansion tanks, transmission pans, battery hardware, and engine-building tools work—and what to consider before adding them to your street, track, or race build.

Reasons to use a Certified Subaru Technician

When you own a Subaru, you are probably well aware of the excellent build quality and dependable nature of their vehicles. Despite this fact...

How To Identify your B16

Believe it or not, there's still quite a bit of misinformation about the B16A and it's many variants. Many customers are either misinformed or...
2027 Honda Passport TrailSport climbing rocky terrain with its redesigned lifted suspension and 9.6 inches of ground clearance.

2027 Honda Passport TrailSport Gets a Serious Factory Lift—and Honda Reengineered Almost Everything to...

The 2027 Honda Passport TrailSport is getting substantially more serious about going off-road. Honda has comprehensively reengineered the TrailSport...

FAQ – Spark Plugs 101

Here is a sampling of the top questions we are most commonly asked about spark plugs, spark plug gap, heat range, resistor plugs and...

How To Test Drive your ABS

The anti-lock brakes (ABS) are a part of your car that you rarely ever think about, but it's probably your car's most important feature. As...
Shielded sensor wiring blocks electrical noise from corrupting sensitive signals. Learn how to diagnose damaged shielding and repair it correctly.

How Shielded Automotive Sensor Wiring Works—and How to Repair It

Shielded automotive sensor wire protects small electrical signals from interference created by ignition coils, fuel injectors, alternators, starter cables, relays and electric...

Nissan Altima OBDI ECU Pinouts

Today we'll be taking a look at the ECU pinouts for a 1993-1995 Nissan Altima, the OBDI version of course. This car came with...