Question about 2001 Chevrolet S-10

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Chevy s-10 2003 4.3 lt v-6 4x4

Driving truck the other day just lost power idles but boggs down under load cheked plugs wires cap rotor battire all ok did fuel pressure test and test went to 62 pounds with key turned but droped to 0 after pump stoped .checked code and codes po300 -po449-po455 showed up .can anyone help thank you scott

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Check the mass air flow sensor on the air intake. it might be pluged. i had the similar problem on my 98 s10.

Posted on Jul 26, 2009

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Catalytic convertor may be plugged

Posted on Jul 21, 2009

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