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Failed Smog Test
 

1994 Buick LaSabre Failed Smog Check with New Catalytic Converter

I have 1994 Buick LaSabre with 3.8l v6. I have replaced the oxygen sensor, the EGR valve and the catalytic converter with a new Magniflow 36106. Why is my car still failing the smog check?




Answer:  

We must recommend having a smog check repair station conduct a hands on diagnosis in order to find out the exact cause of your Buick LeSabre's smog check failure. There are many conditions and components which if not functioning properly would not allow your car to pass the smog test.

Read the following on reason for specific high emission faults:

Failed Emissions Test


posted by SmogTips Support 08-29-2013 01:58 PM
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