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1998 Volvo S70

Tiny
WALLY1950
  • MEMBER
  • 1998 VOLVO S70
  • 4 CYL
  • FWD
  • AUTOMATIC
  • 137,078 MILES
Every now and then when you come to a stop and start off it will start to sputter and cut off, then it is hard to crank, the check engine light comes on code 3 PO455 SAYING EVAP SYSTEM LARGE LEAK, can't find any leaks at all, front or rear ! Can you help? Thank's Wally
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Monday, April 12th, 2010 AT 1:30 PM

1 Reply

Tiny
JIS001
  • MECHANIC
  • 3,411 POSTS
You have 2 separate problems here. The evap large leak you would need to have the evap system smoke tested for leaks and also do a fuel pressure cap test to see where the major leak is at. As for the stalling out and hard start, you will need to have it diagnosed. You could have a bad mass air flow sensor?
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Monday, April 12th, 2010 AT 9:16 PM

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