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SPARK PLUG BASICS

Spark plugs that fire in open air may not necessarily fire under compression. This is due to increased operating pressures within the cylinder that are not present in an open atmosphere.

This means that, even if your spark plug fires outside the cylinder, it may not fire while inside. Seeing the spark plug firing outside the cylinder gives the trouble-shooter a false sense of certainty that the spark plug is trouble-free. If you can tell that the spark plug is firing under compression, then you will know definitely that the problem is fuel related.

Knowing that there is high voltage present does NOT guarantee that the spark plug fired inside the cylinder.

The OK Spark^® Spark Plug Sensor will indicate that both high voltage is present AND that the spark plug is firing under compression. The indication of this information is simultaneous and immediate. This is the only handheld microcontroller-based tool in the market that does this.

OK Spark^® Spark Plug Sensor is the fastest indicator of real spark activity under compression in the market. There is no special training or knowledge required to use it. Simply bring the probe (included) near the spark plug boot and watch for the LEDs to light up. If not, then no spark occurred inside the cylinder.

SPARK PLUG CONDITIONS

Know immediately if it's a fuel or spark / electrical problem. The OK Spark^® brand Spark Plug Sensor will indicate this saving you time and money.

Check for real spark activity while leaving the spark plugs in the engine while it's running OR while trying to start your problem engine. No need to take a wrench to the engine. Safe to use! Never touch the plugs or wires with your bare hands. Wireless detection technology.

Works on any engine that uses spark plugs. Motorcycles, cars, boats, lawnmowers, snowblowers, chainsaws, watercraft, etc.

ENGINE PROBLEMS? MISFIRING PLUGS?

MISFIRING PLUGS = Poor Performance, Loss in Power, Bad Fuel Economy

Safely checks for actual spark activity, not just high voltage. You can have high voltage but no spark! Also shows misfiring plugs so you can replace the bad ones improving fuel economy and overall engine performance.

IMPROVE GAS MILEAGE!

Use a spark plug tester before using OBD II diagnostic tool. Know that ALL your plugs and wires are good FIRST.

Use the real spark plug tester. Check engine problems, analyze spark activity and diagnose quickly with the OK Spark^® brand Spark Plug Sensor. The ONLY spark sensor that uses proprietary PEER^® technology to "see" inside the cylinder!

Remember, High Voltage does NOT guarantee spark activity. Know the truth. Know what's happening inside that cylinder. Ask for the OK Spark^® brand Spark Plug Sensor.

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