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what does this mean?

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Old Jul 15, 2004 | 06:23 PM
  #1  
bOOsTiNSoHcVtEc's Avatar
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Default what does this mean?

My mom took an emissions test and she failed the no ppm part. Anyone know what that means? What should i do to help her pass? thanks..
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Old Jul 16, 2004 | 05:07 AM
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Default Re: what does this mean? (bOOsTiNSoHcVtEc)

NOx are oxides of nitrogen.

They typically come about from high combustion temperatures.

What were her readings for this and the other categories?

What car are we dealling with?
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Old Jul 16, 2004 | 12:52 PM
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Default Re: what does this mean? (EE_Chris)

91 v6 camry with 100k miles...im assuming it has alot of carbon build up
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Old Jul 16, 2004 | 12:55 PM
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Default

Could also be a bad EGR if that motor comes with one. Even timing can play a role in this problem.
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Old Jul 16, 2004 | 01:40 PM
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Default Re: what does this mean? (bOOsTiNSoHcVtEc)

it depends how bad she failed if not by mutch it would be a good idea to change the pcv valve and egr valve that should mak it pass i work on toyotas all day that should do it if not then she needs a new cat
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Old Jul 16, 2004 | 01:53 PM
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Default Re: what does this mean? (vjace)

u dont tink its carbon deposit? i was thinking of using seafoam
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Old Jul 16, 2004 | 03:24 PM
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Default Re: what does this mean? (bOOsTiNSoHcVtEc)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by bOOsTiNSoHcVtEc &raquo;</TD></TR><TR><TD CLASS="quote">u dont tink its carbon deposit? i was thinking of using seafoam</TD></TR></TABLE>

Yes, carbon deposits can cause combustion temperature to increase. Try changing the egr and pcv valve as well as some kind of engine treatment to reduce the amount of carbon buildup.
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