2004 TAURUS GROSS AIR LEAK

  • Tiny
  • gatedad61
  • 2004 Ford 500
  • 6 CYL
  • FWD
  • automatic
  • 140,000 miles

2004 Taurus gets a P0455 code with Check Engine light. Periodially also get a gas cap light. I have replaced gas cap twice and checked filler neck for leaks. Any ideas on where the "ECS Gross Leak" could be?

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Monday, June 6th, 2011 AT 4:59 PM

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  • Tiny
  • caradiodoc
  • Expert
  • 25,451 posts

Could be anywhere along the frame up to the front and back to the gas tank. If you don't find a hose clamp rusted off the hose to the charcoal canister, the best tool to use is a smoke machine to inject white smoke at 2 psi and watch where it seeps out.

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Monday, June 6th, 2011 AT 5:49 PM

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