Popular FAQ
How To Wax your Car
Learning how to wax your car isn't hard to do, but it's definitely very important. If you live in colder parts of the country...
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...
What Is a Sensor Low-Reference Circuit—and How Do You Test It?
A sensor low-reference circuit is the dedicated electrical return path a vehicle’s control module uses as the zero-volt baseline for a sensor...
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?"...
How to Load-Test Automotive Wiring: Why 12 Volts Doesn’t Mean the Circuit Is Good
Seeing 12 volts at a connector doesn't prove the circuit is healthy. Learn how automotive wiring load tests expose corrosion, weak terminals, damaged wires and other hidden resistance.
California’s New Tire Law Explained: No, Your Current Tires Are Not Banned
California has approved the nation's first efficiency standards for replacement tires, but the new rules do not ban the tires already on...
How To Test a 420A Coil Pack
The DOHC 2.0 liter non turbo engine found in the 1995-1999 Mitsubishi Eclipse, Eagle Talon, and Dodge Neon is also known as the 420A engine....
Ford Recalls 223,472 F-150s Because the Fuel Tank May Fall Off
Ford is recalling 223,472 model-year 2023–2027 F-150 pickups because an improperly installed fuel-tank strap can allow the tank to leak or detach.
