1995 Plymouth Voyager emissions failed.

Tiny
SPEEDSHOP
  • MEMBER
  • 1995 PLYMOUTH VOYAGER
  • 6 CYL
  • FWD
  • AUTOMATIC
  • 252,000 MILES
Can you folks decipher this emissions report results
(limit/actual reading):

IDLE (800rpm)
HCppm. 200/90 pass
CO%. 1.00/1.02 fail
NOppm. N/a n/a

FAST (1300rpm)
HCppm. 54/56 fail
CO%..30/.04 pass
NOppm. 757/256 pass

It was so close to passing. Seafoam treated, new plug wires, 6mos old plugs, diaelectric grease, new air filter, oil change 10w-30, gas antifreeze w/91 octane, shrouded pipe leading to cat, new pcv valve. Did I miss something? Based on the results, what could it be? Help!
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Tuesday, April 15th, 2008 AT 11:11 PM

1 Reply

Tiny
BMRFIXIT
  • EXPERT
Oxygen sensors give it a check
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Friday, April 18th, 2008 AT 10:23 PM

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