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1998 Volvo V70 Black smoke from tailpipe / Poor gas mileage

Tiny
METRIC1000
  • MEMBER
  • 1998 VOLVO V70
  • 4 CYL
  • FWD
  • AUTOMATIC
  • 154,000 MILES
This volvo runs great except for black smoke from tailpipe. Check engine light is on. Will run pretty well in city or Highway. It has stalled once while idling.
Tuesday, June 3rd, 2008 AT 2:52 PM

1 Reply

Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
This volvo runs great except for black smoke from tailpipe. Your fuel mixture is in the rich side-check the fuel pressure to rule out an excessive pressure/injector/s not closing/coolant temperature and oxygen sensor not switching modes.
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Tuesday, June 3rd, 2008 AT 3:06 PM

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