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Failed Aircare... Again Need some help on getting a car to pass Aircare... 1994 Altima with the KA24 :lol Car had sat for the past year but has been on the road for a couple months now. Plugs, wires, rotor, cap, oil, fuel filter, air filter and 02 sensor all replaced. MAF cleaned and crankshaft/injectors have been seafoamed in the last 10k kms. Onto the results. 3 tries total thusfar. 1st - with old gas and old oil... HC (0.5000 allowed), 0.8839 FAIL CO (9.3200 allowed), 8.9307 PASS NOx (1.2400 allowed), 2.7817 FAIL 2nd - fresh oil, threw 94 in and went for a nice drive prior HC: 0.7599 FAIL CO: 3.1625 PASS NOx: 2.9780 FAIL 3rd - ran back on Chevron 87, 3:2 ratio of methyl hydrate, redlined the car all the way to the Aircare center, got the cat all nice and toasty HC: 0.7200 FAIL CO: 2.4968 PASS NOx: 3.1731 FAIL Does anyone have any suggestions on what might be the culprit here? Judging by the high numbers and the failure in HC and NOx, I'm thinking it's the cat. It's a 2.5" Magnaflow high flo cat which I now realize is useless for actual emissions reduction. Also any leads on where to not have to spend $250 for an OEM equivalent would be nice (Lordco). :( |
i have a Walker Cat i used to get my RB25 240 through aircare. Passed first time with amazing numbers. I had a KA24 so my emissions are set for a KA. These were my numbers: http://i597.photobucket.com/albums/t...8/IMAG0006.jpg Im renting it out for $25 if your interested. Its a 3" tho so i dont know if it will fit. P'M me for more information if your interested. If you fail, i will refund your $25. |
Does a KA24 have an EGR? That's a big culprit of NOX, especially since yours doubles the amount allowable. Just double check that it's operating properly And then look at that cat. You're right high flow cats do shit for emissions. lol. |
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hole in the downpipe, cover with tbolt clamps and cut up can. |
I have hear that guys have failed at the burnaby locations and then passed with flying colors at others....maybe try another location? |
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Any leads on where you got it from and how much? Quote:
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I'm still leaning towards the cat but I'd rather get a second opinion before I drop $300 and possibly fail again. |
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Ara (ah-rah) 604-276-0223 |
Alright, did a quick check of my EGR system and the diaphragm isn't stuck which is good. The engine stalled when I pushed the diaphragm up and there are no CELs. Only thing is that when I rev the motor to 2-3000 RPM, the diaphragm doesn't move. I'm thinking it maybe a problem with the solenoid? Anyone have a multi-meter and/or a vacuum pump they could lend? |
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