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1994 Acura Legend Recommended Fuel 87, 89, or 93

Tiny
JPHILLIPS
  • MEMBER
  • 1994 ACURA LEGEND
  • 6 CYL
  • FWD
  • AUTOMATIC
  • 131,899 MILES
My manual recommends 91 octane gasoline for my 94 Acura Legend. It is the Type II engine. Can I use the 87 octane or 89 octane and use a gas additive every 4 months? I have been switching from 93 to 89 and noticed no difference. What harm can I do to the engine not using the recommended 91 octane if any? (With these gas prices we all will soon be walking!)
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Thursday, May 15th, 2008 AT 10:06 AM

2 Replies

Tiny
THEBIGGMCDOG
  • MEMBER
  • 25 POSTS
Nothing will happen to the engine just use chevron 87. You're car will be okay.
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Monday, May 26th, 2008 AT 1:03 PM
Tiny
FUTUREX2001
  • MEMBER
  • 9 POSTS
The engine in the 91-95 Legend states to use premium fuel only. The reason for this is to prevent knocking.

The Legend has Dual Knock sensors and the computer/ECU will detect lesser octane being used- to compensate and prevent knocking it will retard the timing slightly- leading to a loss of power but no damage should occur.

In my personal opinion; stick to 91+ octane so your vehicle performs as intended- the price between regular and premium is not that great.
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Wednesday, September 10th, 2008 AT 3:34 AM

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