Accord Ex 1993 CO & NO level- Auto 190k
Thread Starter
Junior Member
Joined: Nov 2007
Posts: 25
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From: cleveland, ohio, usa
Accord Ex 1993 CO & NO level- Auto 190k
Hello all,
What causes the CO & NO level in my accord to be so high?
Readings were almost double the limits.
I noticed the car has what it looks like an off road catalytic converter.
Could it be the cause?
you help is greatly appreciated.
Also, I found an old catalytic converter (honda). If I look through the front end toward the back end, I only see the light in about < 0.5" diameter. What i am trying to say is the opening on the converter is about 1.5" in diameter. Is this converter clogged?
Thank you
What causes the CO & NO level in my accord to be so high?
Readings were almost double the limits.
I noticed the car has what it looks like an off road catalytic converter.
Could it be the cause?
you help is greatly appreciated.
Also, I found an old catalytic converter (honda). If I look through the front end toward the back end, I only see the light in about < 0.5" diameter. What i am trying to say is the opening on the converter is about 1.5" in diameter. Is this converter clogged?
Thank you
Honda-Tech Member
Joined: Jan 2004
Posts: 6,456
Likes: 10
From: New England, USA
Re: Accord Ex 1993 CO & NO level- Auto 190k
Hello all,
What causes the CO & NO level in my accord to be so high?
Readings were almost double the limits.
I noticed the car has what it looks like an off road catalytic converter.
Could it be the cause?
you help is greatly appreciated.
Also, I found an old catalytic converter (honda). If I look through the front end toward the back end, I only see the light in about < 0.5" diameter. What i am trying to say is the opening on the converter is about 1.5" in diameter. Is this converter clogged?
Thank you
What causes the CO & NO level in my accord to be so high?
Readings were almost double the limits.
I noticed the car has what it looks like an off road catalytic converter.
Could it be the cause?
you help is greatly appreciated.
Also, I found an old catalytic converter (honda). If I look through the front end toward the back end, I only see the light in about < 0.5" diameter. What i am trying to say is the opening on the converter is about 1.5" in diameter. Is this converter clogged?
Thank you
Reference Material:
http://www.autohausaz.com/honda-auto-parts/honda-emissions-oxygen-sensors.html
In addition, High NOx can also be caused by anything which increases Combustion Chamber tempuratures. Like:
Vacuum leaks
Insufficient EGR operation
Clogged EGR ports
In addition, read this:
http://www.asashop.org/autoinc/oct2004/techtips.htm
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