Troubleshoot virtually all domestic and imported cars, SUV's, and trucks
Use for testing newer vehicles with recessed spark plugs and conventional and coil-on plug ignition systems
Flashing bulb indicates ignition or fuel delivery problems
Provides information not available with OBD II code reading devices - pinpoints if there is a spark plug, plug wire, mechanical, fuel injection, or electrical problem
Shows a duplicate view of the ignition spark so technician can visually check condition of ignition system at each cylinder
Frequency and intensity of flash indicates whether there is an ignition system problem or fault in the fuel delivery system
