Asked by: Felina Kleynemeyerasked in category: General Last Updated: 10th May, 2020
What causes intermittent spark?
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Moreover, what causes a weak spark?
Loss of spark is caused by anything that prevents coil voltage from jumping the electrode gap at the end of the spark plug. This includes worn, fouled or damaged spark plugs, bad plug wires or a cracked distributor cap.
how do I fix no spark? If you do not see a spark, there is an ignition problem. Remove a plug wire and insert an old spark plug or a spark plug tester into the end of the wire (the plug boot). Place the spark plug on a metal surface on the engine, or ground the spark plug tester to the engine. Then crank the engine to check for a spark.
Just so, can a bad ground cause weak spark?
It is, but the lack of one (or a fualty one) can and will create a weak spark. Basically, you need proper voltage to the coil and a good ground inside the dist for the point plate, along with a good ground path for the dist itself.
What causes weak spark on outboard motor?
Weak spark may cause starting and running difficulties as there may not be enough heat generated in the spark to accomplish ignition of the fuel/air mix in the combustion chamber. Common reasons for weak spark are faulty flywheel magnets and faulty stator.