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How to Reset Your Check Engine Light

Resetting your check engine light is not a difficult process and can be accomplish any number of ways depending on your vehicle's make. Some...

FAQ – What is the MAP Sensor?

Today we'll be covering the Manifold Absolute Pressure Sensor (MAP) in our EFI Guide to answer the common question "What is the MAP Sensor?"...
Automotive PCM pull-up and pull-down circuit diagrams showing open and grounded sensor voltage readings

Automotive Pull-Up and Pull-Down Circuits Explained

An automotive pull-up circuit uses a resistor to hold a module input near a known voltage when no sensor, switch or transistor...

FAQ : Nissan 180SX SR20DET ECU PINOUT

The SR20DET engine swap isn't quite the popular engine choice anymore, with all the LS1 and RB/2JZ swaps running around. But there's still no...
2002–2003 Acura RSX front brake rotor runout test showing a dial indicator measuring the factory 0.10 mm service limit.

How Much Brake Rotor Runout Is Allowed on a 2002–2003 Acura RSX?

Think your Acura RSX has warped rotors? Honda specifies a 0.10 mm front brake-disc runout limit. Here's how to measure it correctly.

How To Aim Your Headlights

The headlights on your vehicle serve to illuminate the road and any dangers that may lie ahead, but are too often neglected or ignored...

How To Test a Dodge Neon Cam Sensor

The Dodge Neon cam sensor is a vital part of how your 2.0 liter engine works. When you turn on your 2.0 liter Neon...

How To Service your 2JZ TPS

You finally got your 2JZGTE or 1JZ engine swap into your car and the moment of truth is upon you. You try to crank...