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Have you ever wanted to
know more about your auto repairs,

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but were afraid to
ask your mechanic?

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This brief video provides
you with information designed to

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help you make the right
decisions about your auto repairs.

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A spark plug is a device
for delivering an electric spark to

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the combustion chamber
of your engine.

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Knight's a compressed
mixture of fuel and air,

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causing the pistons
to move up and down,

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and the power from the pistons
is what ultimately keeps your car moving.

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We recommend getting your spark
plugs checked every thirty

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thousand miles. But if
you're having trouble starting your

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car, or it makes
noises while idling,

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chances are that your
plugs are misfiring.

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Replacing your spark plugs
is part of routine maintenance.

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But if left unchecked,

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engine performance and fuel
efficiency will suffer.

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And if ignored long enough,

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damaged spark plugs can
be extremely difficult or even

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impossible to remove
when the time comes.

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Without a spark,
your car won't start,

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might stall and could
leave you stranded.

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From an environmental
point of view,

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fully functioning spark
plugs will not only save gas,

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but reduce air pollution.