Engine some time knock how to check// Power drop//pick up problem 

‪@technicalserviceBS6‬
Some time we face like this type of problems like Engine knock. We face mostly this when start the car in morning . Also this fill when engine in idle condition and ac on condition . Normally when engine load sudden give by full accelerate or ac on condition. This minorly missing come normally when ignition coil not properly work.

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