Radio Waves And No-Start Diagnostics
When a vehicle starts today, the energizing of the starter is only one of many events.
Driveability Diagnostics And Direct Injection
Direct injection can be a diagnostic challenge, but with the right foundation, problems can be solved profitably.
Pulse-Width Fuel Pump Diagnostics
Modern pumps do not vary the voltage to the pump; rather, they pulse the power to the pump.
Looking For The Positive Side Of The COVID-19 Crisis
There has been an uptick in technicians engaging in technical training on the Underhood Service website.
VW DSG 02E Transmission: A Diagnostic Pre-Checklist
This particular transmission is frequently powered by a diesel engine.
Diagnosing Secondary Ignition Problems
Kilovolt demand can vary widely according to air/fuel ratio, running compression and spark timing.
You Are Essential In This Chaotic Environment
You’re the reason effective, affordable and reliable transportation continues across our country even through tough times.
GM Engine Noises During Cold Start, Warm Engine Operation
The new Small Block Generation 5 engine family incorporates a new fuel system technology known as direct injection (DI).
Ultimate Underhood – Gasoline Particulate Filters
Just like a DPF, a gasoline particulate filter (GPF) traps and stores soot particles in the exhaust stream.
Nissan VQ V6 Water Pump Installation Tips
Book time on this job can range from 2-3 hours, depending on the model and layout. Unfortunately, there are no shortcuts.
Cabin Air Filter Replacement Tips
The cabin air filter is generally considered an integral, but often overlooked part of the heating and A/C system.
Engine Compression Testing
Read this article to find out how to reduce rotating friction and increase running compression.
