[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

Re: Emissions NOx fail on 1991 80q. any suggestions?

At 13:20 99-09-29 -0400, ericaugustyn wrote:

>Does anyone know what could cause the NOx reading to be high while HC and CO
>stay _real_ low?  Is this possibly caused by a faulty oxygen sensor or a
>worn out cat?

This indicates the engine runs lean.

Aleksander Mierzwa
Warsaw, Poland
87 5KT