Runners And Ports: How Modern Engines Manage Air
Variable-length intake runners change the length of the intake passages depending on engine speed and load.
Air Management Systems: Controlling Air From The Throttle Body To The Combustion Chamber
It is easy to manage fuel when compared to managing air.
Oxygen Sensor Heater Codes
One of the most difficult problems to cure is an oxygen sensor code related to the heater circuit. If you decide to just put in a new sensor and clear the codes, there is a chance the code will come back because the malfunction in the circuit is not in the oxygen sensor.
Volkswagen VR6 Head Gasket Replacement
The Volkswagen VR6 engine, introduced in 1994, has a narrow “V” configuration that allows six cylinders to be mounted in the same area as a four-cylinder engine. While head gasket failure is not a common occurrence, it does occur on engines where the cooling system has been neglected due to a lack of regular maintenance. With that said, here are seven tips to make a head gasket job a little easier.
Kia Preventive Maintenance
Kia continues to offer a reliable, affordable vehicle lineup that provides techs and shop owners with plenty of opportunities for maintenance and repair. In the spirit of servicing vehicles that continue to rack up miles through customer satisfaction with the brand, we’re going to focus on some common problems and maintenance items. It’s important to
Combustion Chamber Diagnosis
Diagnosing misfires and emission problems is getting more difficult on modern engines. Understanding what is going on inside the combustion chamber and what comes out the exhaust valve is critical to being able to solve any emissions or drivability problem.
Garage Gurus Training Network Adds ASE Test Preparation
Garage Gurus, Federal-Mogul Motorparts’ comprehensive technical education platform for motor vehicle service professionals, will offer an expanded curriculum, additional training center locations, attractive technician incentives and several other program enhancements beginning in January 2016.
Intermittent Engine Misfire Analysis
Even for an experienced diagnostic technician, Âattempting to diagnose an intermittent misfire Âcondition that occurs only under specific driving conditions can be a frustrating exercise. Let’s begin by getting the basics out of the way. As we know, the general causes of a misfire fall under the Âgeneral headings of 1.) ignition, 2.) fuel density, 3.) compression and 4.) timing failures.
Kia Driveability Diagnostics: Chasing Intermittent Gremlins
This article looks at a 2004 Kia ÂSorrento that the owner says is losing power and stalling with no established pattern. It will run well for days or even weeks at a time without a problem, only to then act up without warning, but it always restarts.
Under the Hood: DTC P0301 – An Advanced Misfire Story
This article will document code P0301 — Misfire Activity on Cylinder No. 1 — a code many of you have run into, but sometimes we have case studies that are worthy of mention. Our subject vehicle is a 2007 Mercury Mountaineer. The vehicle has a P0301 stored in its memory. The lead tech working on
