lost all power wont go over 20

Asked by Jan 03, 2016 at 06:49 PM about the 1997 Buick Riviera Supercharged Coupe

Question type: Maintenance & Repair

97 buick rivearia

2 Answers

58,285

Possible catalytic converter may be plugged, does the exhaust sound like it is hissing?

1,175

I agree with Rowefast's answer. But I wonder/question how many miles does the 97 has? Its my experience that catalytic doesn't get clogged under 250,000 miles. But that too depend on the quality of gas and or if any other substances that may have been used. If you aren't interested in changing, remove pipe. take a sharp object and jab inside and loosened and remove the honey comb to determined any improvement.

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