Ignition System Do’s and Don’ts
Your first tool for diagnosing an ignition issue is your eyes. Spend some time inspecting the coil’s connector, boot and the spark plug. Often the cause of an ignition system problem will present itself.
Diagnosing Driveability Problems
Understanding what comes out through the exhaust valve is critical to solving any emissions or driveability problem.
5 Spark Plug Tips
Here are five little-known tips about spark plug replacement that you probably didn’t learn in school.
Spark Plug Evolution & Inspection
Today’s version of reading a spark plug can give you an indication of how other components are functioning within the engine.
NGK/NTK Releases Fast Finder Part Identification App
This mobile user experience is a quick and easy way for service professionals to identify premium replacement parts for vehicle repairs.
Ignition Coil Failures
There are many ways an ignition coil can fail. Here’s what you need to know.
Spark Plug Failures & Replacement Challenges
While many spark plug failures stem from improperly applying torque to the plugs when they are installed, there are a variety of reasons why they may fail.
Technical: Diagnosing Cranking, No-Start Failures
When we can’t access the secondary circuit, which consists of the spark plugs, wires and ignition coils, we can diagnose the secondary ignition system through the “back door” by testing the primary circuit.
Scoping and Interpreting Secondary Ignition Waveforms
The secret to being able to capture and analyze secondary ignition waveforms is understanding what is happening in the coil and at the spark plug, and how the scope measures and graphs the voltages and ignition event.
Spark Plug Fouling Diagnostics: Getting to the Root Cause of Misfires
If the plugs fail sooner than the recommended interval, it’s important to solve the problem before installing new plugs. If you are replacing spark plugs to solve a misfire problem, the car will be back.
