Date: Mon, 02 Aug 2004 10:40:14 GMT From: Johannes H Andersen <johsnospamccueuesizefitterwruovweswernuao.com> Subject: Re: Help! 9000 AERO doesn't pass emiision test
MK wrote: > > 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? How quickly was the testing done? The engine need to reach operating temperature an the CAT need to be thoroughly warmed up to do its work.
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