Anonymous Posted on Aug 07, 2012

Is it the battery or the alternator

All the lights work and the car cranks but it will not start. Im trying to figure out if it the battery or the alternator.

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kenny white

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Posted on Nov 10, 2014

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SOUNDD LIKE FUEL PUMP

Jeremy W.

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Posted on Aug 07, 2012

Jeremy W.

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All the battery does is supply power to the starter to crank the engine over. The alternator doesn't start working until after the engine is started. It supplies electrical power to the engine after it has started and also recharges the battery. If the engine is cranking over but not starting it is neither the alternator or the battery. Check for spark and fuel pressure your most likely missing one of these.

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