How To Check Spark Plugs With Multimeter

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How to check spark plugs with multimeter. Connect test leads to the multimeter by plugging them into the jacks. Why run to the store and buy a new spark plug as a gamble which may not be inexpensive when you can verify if the plug is the problem using your digital multimeter. Touch the test leads together. In this video ill show a quick method you can check a spark plug to see whether its structurally sound or now whether you are trying to rule out a bad spark plug as your problem or simply want.

The meter should read zero ohms. Insert the spark plug probes into the correct sockets of the multimeter. To take the measurement. You can test your spark plugs for continuity and shortage performing a few simple tests with a multimeter.

Touch the test probes together to determine the existing resistance in the test leads then hold one test probe on one terminal the other probe on the other terminal this wire shows 10000 ohms which by generic specs is good. If you have a misfire that isnt being caused by a bad spark plug then you may want to test parts like the fuel injectors and ignition coils for malfunction. You can perform tests on your ignition system with a multimeter. Carefully examine it if it is a carbon wire which is used on most domestic cars.

Move the test leads apart. Save time and money. How to test spark plugs using a basic multimeter. The meter should read infinite.

Select the maximum range to get an accurate reading. Its not always the spark plug at fault lets rule it out. May be better off just getting a new spark plug spark plugs this vid might be able to give an on the spot indication if the plug is ok. Using an multimeter or ohm meter will verify if the wires are capable of delivering the required voltage to the spark plug but a close inspection of the insulation and plug boots is also necessary.

Test for a bad spark plug. Set your multimeter to the ohms position.