'91 just failed emmissions
10-04-12, 07:35 PM
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'91 just failed emmissions
I dont drive my 91 convertible much (I know) but it runs great and I keep it in my garage so it still looks pretty good. It just failed the HC emissions test, any suggestions on things I can do? I am not far off, so it shouldn't take much. thanks
10-06-12, 11:02 AM
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First start with a full tuneup including TPS adjustment.
If the HC numbers don't decrease, then you may need a new cat. Make sure the car is fully warmed up before they perform the test.
If the HC numbers don't decrease, then you may need a new cat. Make sure the car is fully warmed up before they perform the test.
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