1989 Volvo 740

1989 VOLVO 740
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NICK THORPE
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  • 2 POSTS
Engine Mechanical problem
1989 Volvo 740 4 cyl Two Wheel Drive Manual 144ooo miles

please can you give me the emissions results for this engine when it was new
Jul 30, 2010 at 8:28 PM
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MHPAUTOS
  • ✓Experienced Mechanic
  • 31,937 POSTS
Hi there,

The CO concentration should be 0.6% with the O2 sensor removed and measured before the cat converter.

Mark (mhpautos)
Jul 30, 2010 at 8:44 PM
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NICK THORPE
  • MEMBER
  • 2 POSTS
was that on a petrol engine
Jul 30, 2010 at 9:52 PM
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MHPAUTOS
  • ✓Experienced Mechanic
  • 31,937 POSTS
yes it is.

mark.
Jul 31, 2010 at 5:08 AM
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