GF-6 Oil Specs Are Here
Should you start stockpiling GF-5 oil for older vehicles? We have the answer for you here.
Diagnosing Audi A8 TPMS Issues
These are all the steps you’ll need to pinpoint fault issues in TPMS for 2009-2016 Audi A8 vehicles.
Turbo Tools: Boost Drivability, Diagnostics
The two most important parameters to look at are the desired boost pressure and actual boost pressure during a test drive.
How Belts, Tensioners And Misfires Are Connected
Modern crankshaft position sensors measure more than the position of the crankshaft.
Why Do Modern Vehicles Require Precious Metal Spark Plugs?
Understanding modern ignition systems will help complete preventative engine maintenance during tune-ups.
Separating AGM Battery Facts From The Myths
AGM eliminates acid spilling in an accident because it is sealed. They can be installed at odd angles.
Voltage Drop Testing Is The One Meter Test That Doesn’t Lie
The measurement of voltage is like the speed of highway traffic – when loads are light, the voltage does not drop.
Why O2 Sensors Fail To Calculate Exhaust Levels Over Time
As miles accumulate, O2 sensors effectively “catch a cold,” meaning they can’t breathe like they should.
Fuel Pressure And Volume
The fuel pressure sensor usually has three wires and operates on five volts. What controls the speed of the fuel pump?
Understanding Belt Friction And Tension
Misalignment and bearing wear can cause the belt to track off-center.
Whatever Happened To The Original Hemi Head?
Many purists say what we think of a Hemi engine today doesn’t meet the hemisperical standards.
New Garage Gives Underhood Service An Edge In 2020
The Underhood Service Garage features latest auto technology to ensure our editorial is aligned with industry expectations.