the rpm

2010 KIA CERATO
4 CYL • 2WD • AUTOMATIC
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BASSEM
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i have cerato 2010 the rpm is low some times but i don't why?
May 10, 2011 at 10:33 AM
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MMPRINCE4000
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Either a restricion in the air intake, or a malfunctioning idle air control valve.

Could also be a timing issue, fuel pressure, but the above are more likely.

Have Kia look at it ASAP.
May 10, 2011 at 11:28 AM