94 Accord EX Emissions Problem

Thread view:

Enable EMail Alerts

Start New Thread

Thread rating:

mikey - 20 Jul 2005 02:49 GMT

I have a 94 Accord that has been sitting in the garage for 3 years. Tried
to get it through emissions testing and it failed for excessive nitrogen
oxide. Can anyone tell me what I need to do to get it to pass emissions
testing?

Thanks

Reply to this Message

TeGGeR® - 20 Jul 2005 02:55 GMT

> I have a 94 Accord that has been sitting in the garage for 3 years.
> Tried to get it through emissions testing and it failed for excessive
> nitrogen oxide. Can anyone tell me what I need to do to get it to
> pass emissions testing?

Most likely:
Dirty injectors
Clogged EGR ports
Exhaust leak before the cat
Lean-biased O2 sensor
Ignition timing too far advanced

Run a few tanks of Techron (or other injector cleaner) through it. Even
better is a few tanks of Chevron high-octane gas. Take it for some long
highway drives to let the injectors work for a while.

Also please post ALL your numbers along with the limits in your area.

Signature

TeGGeR®

The Unofficial Honda/Acura FAQ
www.tegger.com/hondafaq/

Reply to this Message

mikey - 20 Jul 2005 03:00 GMT

Thanks for the info. What numbers are you talking about? Sorry, I don't
have a lot of experience with this.

> I have a 94 Accord that has been sitting in the garage for 3 years. Tried
> to get it through emissions testing and it failed for excessive nitrogen
> oxide. Can anyone tell me what I need to do to get it to pass emissions
> testing?
>
> Thanks

Reply to this Message

TeGGeR® - 20 Jul 2005 03:11 GMT

> Thanks for the info. What numbers are you talking about? Sorry, I
> don't have a lot of experience with this.

Pardon? Are you responding to my reply, but (oddly) in your own original
message??

When you failed smog they would have given you the results sheet that gave
your numbers along with the allowable limits in your region.

It would have looked something like this:
http://www.tegger.com/hondafaq/misc/91_integra_emissions.html

Signature

TeGGeR®

The Unofficial Honda/Acura FAQ
www.tegger.com/hondafaq/

Reply to this Message