Thread: check engine light codes
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Old 11-21-2006, 01:41 AM
stv840 stv840 is offline
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Re: check engine light codes
the po100 is air flow circit code
po300 is random misfire
ck mfi relay I belive it's relay 1 as it controls the air sensor and fuel injs
but likely it could be a vacumme leak from intake
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