Probable causes
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Elimination method
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The engine is not started up or started up hardly
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The ignition switch is faulty
The ignition coil is faulty
The capacity switchboard is faulty
Spark plugs are faulty
Wires of system of ignition are damaged
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Replace the ignition switch
Replace the ignition coil
Replace the capacity switchboard
Replace spark plugs
Check and, if necessary, replace wires
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Non-uniform idling up to an engine stop
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Wires of system of ignition are damaged
The ignition coil is faulty
High-voltage wires are faulty
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Check and, if necessary, replace wires
Replace the ignition coil
Replace high-voltage wires
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Fluctuations of frequency of rotation / weak acceleration
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Spark plugs are faulty
Wires of system of ignition are damaged
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Replace spark plugs
Check and, if necessary, replace wires
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High fuel consumption
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Spark plugs are faulty
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Replace spark plugs
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