Question about 2004 Buick Rendezvous

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Check ingion light code p303 whats wrong and how do i fix it the thermostat was just changed and the light will not go out

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P0303 is a misfire on number 3 cylinder. A thermostat is going to fix a P0303. Check spark plug, check wire and coil, if that doesnt fix it, you may need professional help.

Posted on May 14, 2010

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Posted on Jan 02, 2017

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