Spark Ignition Failure Detector Dual Port Automotive Spark Tester

Vehicle power shortage idle cylinder

Inability to accelerate action

Poor running air conditioning and refrigeration

Increase the fuel consumption of black smoke

Engine jitter exhaust emissions are not up to the standard

Easy three-step test:

1. The test spark plug down into the mounting hole

2. Connect the power cord, the indicator should be bright

3. Press the red button switch, this should generate high pressure flashover

Engine is not easy to start and so on