Quote:
Originally Posted by Tcoat
There will be a drop in performance since the ECU will pull timing to prevent knock. It will however be gradual not instant so you may never even notice the drop.
Not sure how big an issue running 90 would be but the minimum requirement according to the manual is 91.
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It was the only ethenol free gas octane grade. I'll be switching back thanks for the tip.
Quote:
Originally Posted by ka-t_240
Run 91+
It doesn't matter what gas you run, you will ge the crickets. People claim that ethonal free gas solves it, but from experience it does not. I had the pump relaced under warranty. I planned and only used ethonal free fuel for 4-5 tanks prior to the replacement. Pump was quiet for the first 2-3 weeks and then they came back worse than ever. Now car is on e85 and no change.
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I can for sure say it did make them much much quieter. But, I'll be going back to 93
Quote:
Originally Posted by mav1178
I filled up with 90 octane 3 times on my LA > TX > LA 4000-mile trip in April. No difference in mileage that I can conclusively determine, and the car ran fine with minimal difference in drivability.
-alex
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I didn't notice any less performance. But, I'll be going back to 93
Quote:
Originally Posted by humfrz
If the engine pulled the timing a bit, to compensate for the lower octane, it might be less likely to feel on a long haul, freeway driving trip like that .... 
humfrz |
I will be going back to 93 octane as soon as this tank is empty. I have noticed it is much quieter. This is not a long term thing, I just wanted to try to see if it would quiet the crickets. Which it did.