1997 Infiniti Q45 Could Running This Car Regular Unleaded 89 Octane Years Start

1997 INFINITI Q45
182,000 MILES
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ANONYMOUS
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Could running this car regular unleaded 89 Octane
For years and then start to run a full tank of premium 92 octane
Cause the the check engine soon light to come on or would it be a emissions sensor?
Nov 26, 2012 at 7:01 PM
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KHLOW2008
  • ✓Experienced Mechanic
  • 41,812 POSTS
Have the trouble codes retrieved to see what it is. Increasing the octane should not be a problem.
Nov 27, 2012 at 6:49 AM
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