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1996 Dodge Neon I can't pass emissions

Tiny
CCCH510
  • MEMBER
  • 1996 DODGE NEON
  • 4 CYL
  • FWD
  • MANUAL
  • 83,000 MILES
My neon is failing emissions by 5x the limit on co and 2x the limit on hc. I have replaced the evap canister the map sensor the iat sensor the computer the injectors and the exhaust recycle system is running fine. How else can I be failing that bad?
Monday, April 14th, 2008 AT 2:01 AM

3 Replies

Tiny
BMRFIXIT
  • MECHANIC
  • 19,053 POSTS
You need to check for codes
do you have check engine light on
and if so scan the system for codes
let me know
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Monday, April 14th, 2008 AT 6:25 AM
Tiny
CCCH510
  • MEMBER
  • 2 POSTS
I don't have any codes that is what is bothering me about the engine
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Monday, April 14th, 2008 AT 7:21 PM
Tiny
BMRFIXIT
  • MECHANIC
  • 19,053 POSTS
For the readings to be that high the O2 sensor should pick it up
unless its no good
with key on engine off you have check engine light on

I still think you should have it scanned
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Monday, April 14th, 2008 AT 8:00 PM

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