2001 Nissan Maxima Logo
jim silva Posted on Oct 10, 2012
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Failed emmissions codes 0400-0443-0300

Failed emmissions - codes 0400-0300-0443

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bcharais

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  • Expert 278 Answers
  • Posted on Oct 11, 2012
bcharais
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Joined: Jun 08, 2012
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P0300 Random Misfire, means any cylinder at anytime.

P0400 Exhaust Gas Recirculation Flow. EGR passages are full of carbon
clean passages and misfires may go away

P0443 Evaporative Emission Purge Control Valve circuit.

now just because a code is present doesn't mean a part/sensor is bad, just where to look and to test.

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