Underhood Automotive
Nylon Fuel Line Repair Techniques

Can you repair fuel lines yourself? Yes, if you make quality your number one priority when making decisions.

Battery Charging and Programming Diagnostics

Temperature changes how the battery discharges and the amount of current that can be delivered.

Adapting Sensors For Changing Inputs

Let’s focus our attention today on one small facet of the technology inside modern vehicles: Adaptations.

Ignition System Do’s and Don’ts

Why do ignition systems give technicians problems when diagnosing ignition-related misfires? The answer is that some technicians use tests that might give inconclusive results or do damage to the coil or drivers inside a module.

Belt Service For Hybrid and Stop/Start Systems

Knowing how to “force start” a hybrid vehicle can be helpful if you are trying to diagnose a noise problem that involves the accessory belt drive system.

BMW 4-Series Service

The 4-series does not stray far from the typical BMW engineering and operation.

VW Four Motion

A DSG transmission is lighter than a comparable automatic with the same number of speeds.

Cabin Air Filter Replacement

There are three major reasons to replace a cabin air filter in the winter.

High Pressure Direct Injection Fuel Systems

The main destroyer of high-pressure fuel pumps is a lack of oil changes.

R1234yf Refrigerant Service

It is not a question of if but when you’ll have to deal with R1234yf refrigerant. Here’s what to expect.

Acura Frozen Starter Causes No Start

Follow the corrective procedure if the bulletin correlates.

ECU Reflashing

Reflash procedures are not getting any faster.