It’s Got Spark!
Why can’t you trust some spark tests?
Diagnosing Intercooler Boost Trouble Code P0299
The criteria for setting the code is very basic.
Honda Electronic Throttle Body Service Tips
Using care and following OEM procedures will help you to avoid unnecessary parts replacement and comebacks.
Why Alternators Are Subject To Ripple Voltage
The alternator produces an AC current that must be converted into DC current by way of a rectifier.
Belts and Pulley Alignment
A misalignment of the plane of the belt can occur when a pulley is not parallel to the other pulleys on the belt drive system.
Diagnosing Misfires
What if there are no codes and a misfire is intermittent? This is where it gets complicated.
Lifter Deactivation
The area of contact between the lifters and cam lobes is the highest loaded surface inside an engine.
Alternator Testing For No Charge Conditions
Many alternator problems turn out to be nothing more than a bad connection at the alternator or a bad wiring harness.
Understanding Coolants
All-season coolant used inorganic acid technology and worked great for almost 30 years.
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.
Tools To Service Serpentine Belts
Servicing the serpentine belt on some vehicles is a tough task.
Battery Charging and Diagnostics
Here are six tips to use when diagnosing a vehicle with a dead battery.