 My celica fail emission please help lol 😭 |
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 May 30, 2015 - 6:50 PM
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Enthusiast  Joined Jan 27, '14 From Houston Currently Offline Reputation: 0 (0%)  |
I'm a sensitive person so I'll be crying durning I type this lol
Car failed emission Results: HC(%) standard 147 current 124. PASS C0(%) standard 0.82. current .55. PASS NOx(ppm) high speed standard 107 . Current 1301 And low speed standard 1186 current 1448 I failed by like 300 points lol What can I do to fix it Car idles fine at 800 rpm I've already done a full tune up Please help find the cure /: What is NOx ppm anyways |
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May 31, 2015 - 8:54 AM
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Enthusiast Joined Mar 11, '06 From Way South Chicago Currently Offline Reputation: 0 (0%) |
NOx is http://en.wikipedia.org/wiki/NOx
And it's bad. The EGR system is designed to lower combustion temperature to reduce NOx formation, if it's not working properly you'll have high NOx numbers. The catalytic converter also converts NOx but since your other numbers look good I'm not sure it's gone bad. Timing (spark timing or mechanical timing) being off can affect NOx as well. -------------------- |
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May 31, 2015 - 8:57 PM
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Enthusiast Joined Dec 8, '03 From Lancaster CA Currently Offline Reputation: 6 (100%) |
time for a new CAT.
-------------------- 2001 Celica GT-S Turbo
1997 Supra TT 6speed 1997 Celica 3MZ/1MZ swap 1990 Celica All-Trac |
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