Magazine Archives - Page 15 of 69 - UnderhoodService
Toyota Tech Tip: Odors In The A/C System

Toyota vehicles may exhibit odors naturally occurring from the HVAC system and/or related environmental factors.

Killing Covid-19 With Reflashing

The new software enables the climate control system to heat the interior beyond 133 degrees F for 15 minutes.

Engine Leak Diagnosis On BMW Turbo V8 Engines

Use a borescope to identify if the source of the leak is from under the turbochargers.

Active Management Of Oil Pressure

Things have changed with the introduction of multi-weight oils and changes in the design of the oil pump.

Lane Departure Warning Intermittently Does Not Alert

Some customers may comment that the lane departure warning intermittently does not alert in some cases while driving.

ABC Suspension Rocking When Stationary

Perform new SCN coding of ABC control unit, then calibration of plunger travel sensors and load calibration.

ABS Fault Code 02757 Diagnosis Tip

Models: 2011-2014 Jetta, Jetta Sportwagen, Golf/GTI, Tiguan, Eos, 2012-2014 Beetle, Passat.

Most Common Causes of Intermittent Misfire Codes

Misfires that turn on the check engine light and log a cylinder-specific fault code are the easiest to diagnose.

Automotive/Medical Industry Partnerships Nothing New

These improvements to the iron lung machine were small but impactful.

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.