WHAT DO I DO TO FIX A PO440 AND A PO442

  • Tiny
  • Anonymous
  • 2002 Chevrolet Prizm
  • 45,000 miles

What do I do to fix a po440 and a po442

Friday, December 7th, 2012 AT 12:56 PM

1 Answer

  • Tiny
  • ASEMaster6371
  • Expert
  • 25,555 posts

You need a scan tool, smoke machine and voltmeter to track it down.

Evap codes are tough to diag.

Codes never identify bad parts, just failed systems

Roy

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Friday, December 7th, 2012 AT 1:07 PM

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