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99 Oldsmobile Silhoutte catalytic converter is cut and replaced with a straight pipe will that make the van not start?

2 Answers

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  • Jay P
    Lv 7
    5 years ago

    No, the van would still start and run. But without the catalyst, the check engine light will be on and it will fail all emissions test ( if required ).

  • JJ
    Lv 6
    5 years ago

    No

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