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Honda Accord 1993 did not pass emission test
02-09-2007, 11:20 PM
Post: #1
Honda Accord 1993 did not pass emission test
01/13/2007 after retest and w/ a new converter these are the results:25/25 HC:225 of 127 allowable. CO% 2.75 of .71 allow &NOx:1394 of 910 allow. On 50/50 231 of 132, 3.26 of .73 & 1331 of 1006. As you notice everything fail. I am trying to fix it litle by litle and by myself when is basic repair. I paid for a new converter and I did a tune up: pcv valve, oil change, air and oil filter, 4 sparks. Wires I asume they're o.k. EGR valve a mechanic told me that is working.
I purchased this car month and a half ago and the previous owner told me that he put a new engine and transmission from a Junk yard and I don't have more history. The check engine light is on, when I red the blinking of the engine light it had indicated that code 12 the EGR and the code 20 ELD (Electric Load Detector) has something wrong.
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02-10-2007, 09:14 PM
Post: #2
RE: Honda Accord 1993 did not pass emission test
It is odviously running rich. But if you lean it out to passable readings then the Nox will be through the roof. When you lean the engine the Nox increases. First has the ignition timing been checked? The dist. should have a slot in it were the mounting bolt goes. Does it look to be in the center of the slot or all the way to one side? If it is in or near the center and the ignition timing is good, then the timing belt is in timing. If you have to turn the dist. all the way to one end to get the ignition correct, the timing belt is properly off. All this needs to be verified first. Let me know and we can go further if needed.

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Cary Joe York
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02-13-2007, 09:08 PM
Post: #3
RE: Honda Accord 1993 did not pass emission test
Thank you for yur advice. I have to check those things that you mentioned.
But keep in mind that you are talking with a baby in car issue, plus my English in not my first lenguage, so is going to take me some time to do de basic things that you want me to check, but it make senses. So I will go back to you as soon I find out these test that you recomend.
Thank you very much.
Alejandro
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02-15-2007, 07:00 PM
Post: #4
RE: Honda Accord 1993 did not pass emission test
Sure,
We will wait to hear from you.

Cary Joe York
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