1989 accord failed emissions


Old 11-11-07, 08:04 PM
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1989 accord failed emissions

hi guys,
i just got this car about a month ago so i'm not very familiar with it. took it for emissions and it did great except for the 50/15 no - ppm the reading was 1622 and the allowable is 1438. i live in ga do any of you know what might be causing this problem?
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Old 11-11-07, 08:11 PM
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Not to much info to go off of. Is there a check engine light on?

When was the oil last change? Air filter?

Could be O2 sensors, cat, etc.

How does she run?
Old 11-11-07, 08:26 PM
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car runs fine. i haven't done anything to it yet no oil change, filters, etc. when i first start the car it idles high until it warms up other than that it runs great. the guy at the emissions test site said it barely failed. my hubbz is thinking it could be the erg valve, but i can't afford to get scammed if it's something as simple as a filter.
Old 11-12-07, 01:54 PM
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I was certified to test cars in Atlanta a few years ago. Was the car completly warmed up? If not, that can cause you to fail although I annot remember what part of the test you will fail on with that. Were the numbers similar on the 25/25 test or did it pass with flying colors? (i.e. right near the limit?). If I remember correctly, the 25/25 test comes before the 50/15 test. From what I can find about NO emissions, they appear to be related to catalytic converters not working properly (also can be due to the vehicle not being warmed up completly). As far as the EGR valve, I am not sure that it would have and effect once the vehicle is warmed up. You can always take the paper to a mechanic and get their opionion on causes for high NO. There is a clause in the GA clean air laws that says that if you spend more than a certain amount, you are exempt from testing for that year, but you can hit it again next year. For 2003, it was around $600. It has been about 3 years since I have tested a car but if you have a specific question about the testing, feel free to ask. Good Luck!

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