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1995 Jeep Cherokee smog check failure

Tiny
ERINCLC
  • MEMBER
  • 1995 JEEP CHEROKEE
  • 6 CYL
  • 4WD
  • AUTOMATIC
  • 14,000 MILES
My car didn't pass smog for two reasons. One is the gas cap needs to be replaced, also they said that the NO (part of the emissions) were 1440 when the max is 505. What could this be and what kind of repair would be needed.
Friday, December 12th, 2008 AT 5:49 PM

1 Reply

Tiny
BMRFIXIT
  • MECHANIC
  • 19,053 POSTS
If its the HC that is very high I would suggest checking it for tune up and check O2 sensors
if the NOX that is high check EGR operation
remove clean and check vacuum lines
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Saturday, December 13th, 2008 AT 10:09 PM

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