Checking The Auxiliary Water Pump
A car or truck comes into the shop with a complaint of poor heater performance. The issue may be the auxiliary water pump.
It’s Got Spark!
Why can’t you trust some spark tests?
Understanding Differences Between Aluminum And Cast Iron
Sheer material differences aside, what are the features and benefits of aluminum and iron engine components?
Diagnosing Misfires
What if there are no codes and a misfire is intermittent? This is where it gets complicated.
Fuel Pressure Diagnostic Service
Use a scan tool that can look at special direct fuel injection parameters and perform bidirectional tests.
Battery Charging and Diagnostics
Here are six tips to use when diagnosing a vehicle with a dead battery.
Diagnostic Strategies For Stop/Start Systems
This function of the power management system uses several modules to decide when the engine needs to stop and start.
How Extended Interval Oil Filters Have Improved
Over time, the oil filter can collect enough contaminants to become restricted.
Spark Plug Replacement
Here are some tips to follow when replacing a spark plug.
Oxygen Sensors And Catalyst Efficiency
Newer air/fuel ratio or wide-band sensors can detect a wide range of fuel conditions.
Smart Battery Management
Most modern systems will measure the internal resistance.
Understanding Underhood Parts for Hybrids
Anything that can happen to an ICE in a standard vehicle can happen to an ICE in a hybrid.