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Date: Tue, 03 Aug 2004 13:25:23 -0400
From: cs <cbsnospam.net>
Subject: Re: Help! 9000 AERO doesn't pass emiision test


Keith, yes, I'm in Cincinnati. the funny thing is on the '88, it runs as hard and as strong as the day I got it 16 years ago - correction, the day I swapped brains in it 16 years ago. I've always heard you should break your car in the way you intend to drive it - I used to make regular runs to Columbus, and while that car still had it's 30 day tag, I was running at 125 chasing an Alfa (I use to have a 'go card,' so getting stopped was not much of a concern). But it infuriates me that the car has had trouble making it thru the E check, especially when I see cars belching black smoke - just wait until you start having to run thru this BS. On Mon, 02 Aug 2004 07:17:12 -0400, KeithG <noonenospamay.com> wrote: >CS, > >I am guessing you are in Cincinnati. We do not get smog checks here in >Columbus. Do they verify anything on the stickers? I have a '91 C900 >which had EGR. I took it off and installed a '92 ECU which does not have >EGR. The thing is that the fender sticker states that it is supposed to >have EGR, though. Just wondering if I will have problems when we get >smog check here in Cowlumbus. I don't think my '97 9k will have a >problem, but we will see. A failed smog check could also be from a bad >DI cassette/plugs. Incomplete combustion. I know your '88 does not have >that, but your '94 could have a weak one... Keep us posted on the '94 > >Regards, > >Keith > >P.s My dad is in Blue Ash with 2 9ks ('91 and '94) and an '04 9^5. > > >cs wrote: >> gee, are you in Ohio? The bastards just started checking NOx this >> year, and I hear tell many cars are failing. My '88 9k turbo didn't >> make it through due to high Nox (everything else was way down), and >> folks on the list suggested vacuum problems. I checked my lines, and >> found two to be potentially problematic, so swapped them out for new, >> but before I could get it back for a re-check, my charging system went >> out. Now it sits in the drive until I get some fun tickets to work on >> it. >> >> But check your lines. Also, pull your throttle body hose, and make >> sure the throttle body is clean. Either in the service manual, or in >> a tech bulletin, I saw Saab saying essentially, that even a thin film >> of gunk there, can cause raggy idle. >> >> My '94 9k CSE is due for a check in April, and I'm expecting the >> worse, but then Ohio's test program/facilities are a joke - cars go >> in every other year. My '88 has flunked in 2000 and 2002, and in >> 2002, they flunked it because there equipment couldn't get a reading >> on my car. So how did I pass on the re-checks? I merely drove back >> the following days without doing a thing to the car. >> >> >> On 1 Aug 2004 16:54:34 -0700, ychennospam30.net (Yaofeng) wrote: >> >> >>>"MK" <MichaelKissnospamo.com> wrote in message news:<YR8Pc.4717$n7.4044nospam.usenetserver.com>... >>> >>>>This is 9000 AERO(1994) with 125K miles- >>>>The emission test shows high NO -on all other aspects the car passed. It >>>>failed only on NO. I need to fix this ASAP. >>>>Q: the car had its head gasket blown- we replaced- later we found that the >>>>Turbo is leaking oil into the exhaust- we replaced the turbo- It has a new >>>>muffler from one of the chain stores. All these repairs were done in the >>>>last 3 months. Is it possible that the catalytic converter is damaged >>>>during the oil leak into the exhaust? And if so is there a way to fix the >>>>problem? >>>>Q: Would a back pressure test on the catalytic converter show if the unit >>>>needs a replacement? >>>>Q: if it is not the catalytic converter what else could cause the problem >>>>with NO only? >>> >>>If your CO and HC readings are within limits, I'd say your cat is >>>okay. I've leaned running lean could cause high NOx. High NOx could >>>also be the result of high combution temperature. Don't know much >>>about the technical stuff. They bore me. >>> >>>Any case, one year by simply changing the spark plugs on my 94 9k cs >>>turbo I was able to lower NOx to acceptable numbers in New Jersey. >>>The old one have the tip almost eaten away by ignition sparks. >>> >>>My 93 Volvo 940 wagon has also just passed the same high NOx emissions >>>recently by simply replacing the O2 sensor. >>> >>>But my 94 9k cs (not the turbo, I have two SAAB 9k's) still has a red >>>sticker for failing, you guessed it, NOx. This is after replacing the >>>spark plugs and O2 sensor. >>> >>>I wish they'd do away with NOx emissions testing in New Jersey. >> >> >>

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