1994 Jaguar Vanden Plas failed emission test

1994 JAGUAR VANDEN PLAS
14,620 MILES • 6 CYL • 2WD • AUTOMATIC
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RJEREZA
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  • 1 POST
my car failed on low speed and high speed during smog test. computer print out results was failure on HC and CO.what remedy it needed to pass my smog test?
Aug 23, 2009 at 5:47 PM
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RASMATAZ
  • ✓ASE Certified Mechanic
  • 75,992 POSTS
  • ASE Certified Mechanic
If both HC and CO are high, the vehicle may have a bad catalytic converter or an air pump problem.
Aug 23, 2009 at 5:56 PM
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