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Evaporator emissin leak small

Tiny
XJ6
  • MEMBER
  • 2005 MERCEDES BENZ C230
  • 4 CYL
  • 2WD
  • AUTOMATIC
I replaced gas cap but still get a p0456 code
Wednesday, June 29th, 2011 AT 3:40 PM

2 Replies

Tiny
ORIONBLU230
  • MEMBER
  • 1 POST
I have the same problem with mine, plus a rough in-gear idle and it stalls one second after start up after warm. I believe it is a failing fuel pressure regulator, losing fuel pressure too fast, and possibly resulting in a small EVAP system leak. The FPR is under the airbox, and not very easy to get to. I'm going to try a fuel pressure test first.
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Thursday, June 30th, 2011 AT 11:16 PM
Tiny
XJ6
  • MEMBER
  • 12 POSTS
Thanks for your reply! I have no stalling just the p0456. Let me know how it goes!Ok? And good luck. I hope someone else may have another idea if it is not the presure regulator
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Friday, July 1st, 2011 AT 2:24 PM

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