" instead drive the vehicle in a lower gear to increase revs and...

  1. 4,280 Posts.
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    " instead drive the vehicle in a lower gear to increase revs and the heat of exhaust burning to avoid yet another $3,000 bill or very much worse if the catalytic converter also fails. So much for diesels and fuel economy, heh?"

    A catalytic converter in a diesel ?????????????

    I think you mean DPF.


 
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