Question about 1996 Buick Riviera
Most vehicles are designed to run on 87 octane, unless specified different in the owners manual. The knock sensors on your engine will detect an engine knock and advance or ****** the timing accordingly. If your engine is spark knocking, your "Check Engine" light should be on detecting a faulty knock sensor, hope this helps, Gary
Posted on Jul 27, 2010
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Posted on Jan 02, 2017
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