OBDII Connectors
OBDII connectors serve as the main communication point between the technician and the vehicle.
Throttle-By-Wire Diagnostics
Throttle-by-wire systems proactively manage the air and fuel going into the combustion chamber.
Hyundai & Kia Hybrid Drivetrain
The Hyundai hybrid system has a motor control unit (MCU) and hybrid control unit (HCU).
Acura Turbo Engine Service
It is important to check the operation of the solenoids that control vacuum to the actuators.
Subaru EJ25 Head Gasket Problems
Most of the EJ head gasket failures occur around the 100,000-mile mark and start as a slow oil or coolant leak.
Mode $06 Misfire Diagnosis
Understanding why ‘Mode $06’ was developed and how it works to identify misfires.
Solving Intermittent Overheating
New cooling systems anticipate and influence changes in coolant temperature.
Ignition Systems
The ignition coil is a very simple and robust circuit.
Diagnosing Crankshaft Position Sensors
Modern engines need to know the position of the crankshaft and camshafts.
Electronic Throttle Body Service
On most systems, idle speed is completely controlled by the throttle plate angle.
Spark Plug Evolution
Spark plugs have changed over the years.
Compressor Oil for R1234yf
Working on R-1234yf systems is not that different from the R-134a variety.
