CATALYTIC CONVERTOR

1991 Buick Riviera

Tiny

JAHURST

April, 8, 2011 AT 7:53 PM

Would a catalytic convertor make a knocking noise and cause the engine to act like it's missing out if it is clogged or bad?

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1 Answer

Tiny

rasmataz

April, 8, 2011 AT 7:57 PM

Try disconnecting the exhaust pipe and see what happens-Also depends what type of knocking noises-valvetrain/bottom end or detonation/pinging during acceleration

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