Can I use regular fuel instead of premium ? on 2000 Cadillac Eldorado

I have a 2000 Cadillac ElDorado w/ 105,000 miles.

by in Toledo, OH on September 17, 2009
2 answers
ANSWER by on September 17, 2009
I think Cadillac called for 91 octane on that car the engine has a knock sensor and diminishes performance if it detects detonation due to lower octane fuel. Check your owner's hand book and or call your Cadillac dealer see what they advise.
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ANSWER by on October 20, 2009
yes caddys 2000 and newer can run on regular gasoline the computer will adjust for it
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