'01 2.3LPT Octane recommendations? - Saab 9-5 Bulletin Board - Saabnet.com
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'01 2.3LPT Octane recommendations?
Posted by John C. Womer (more from John C. Womer) on Tue, 30 Oct 2001 20:13:10
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I have been running regular unleaded in my '01 2.3LPT for the last 26,000 miles. My impression is that the performance has been good, with the exception of the low rpm bogging down in hot humid weather that other have posted messages about as well. Finally looked at the fuel grade recommendations in my owner's manual...and find that is it "90 AON" for my engine and a higher octane for the Aero with a footnote that running the Aero on "90 AON fuel" in hot weather will diminish performance.
Questions:
When I experienced the low rpm bogging down, I tried a tank of 93 octane gas and did not detect a difference -- though the "test" was less than less than scientific. Did anyone else find that premium fuel solved this problem with the 2.3 LPT engine?
What is "90 AON"? U.S. grades seem to be available, depending on brand, in 87, 89, 91, 92, 93.
I know I should know the answers to these questions. <g>
posted by 38.149.21...
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