Smog Check failing on excessive exhaust system leak - Saab 9000 Bulletin Board - Saabnet.com
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Smog Check failing on excessive exhaust system leak
Posted by Robert Sorensen [Email] (more from Robert Sorensen) on Tue, 25 Mar 2003 11:53:57
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My 92' 9000 T (149000 miles) failed CA smog check yester day on
"Excessive exhaust system leak"
On emission it did OK? (Nothing marked as failed)
@2500 rpm:
HC 13 (max is 140)
CO 0.01 (max is 1.0)
CO2 13.2 (no max)
O2 2.6 (no max)
@idle
HC 56 (max 120)
CO 0.00 (max 1.0)
CO2 5.7 (no max)
O2 12.9 (no max)
With the numbers is anyone able to point to the cause?
I do expect to have the Oxygen Sensor changed, but could it other things?
I did the test my almost empty tank. Was that stupid? (Dirt & residual in bottom of tank?)
The Oxygen Sensor seems to be very difficult to remove and refit. Is there a good written procedure anywhere?
regards
Robert Sorensen
posted by 216.35.16...
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