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Code POO9O intermitent, sometimes hard start after sitting all day, will always start on 2nd. attempt

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SOURCE: Hard but eventual start

Sounds like you may have a leaky injector which is both leaking fuel into one of the cylinders, and bleeding down any fuel rail pressure. Extra fuel makes it hard to start, loss of rail pressure takes a few seconds for fuel pump to build pressure back up.

Posted on Jan 24, 2009

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