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Sedans Acura TL Acura TL and Premium vs Regular Gas
78 messages, Last post on Aug 03, 2009 at 5:44 PM
You are in the Acura TL Forum. Your Hosts are pat & karens
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Replying to: louiswei (Dec 26, 2006 7:48 pm)  Maybe when I'm the millionaire next door, I'll spring for the BMW or MB I've always wanted (parents had a few Mercedes many, many years ago...). Nah, evil wife will never let that happen! 
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Replying to: dave911 (Dec 26, 2006 5:45 pm) 
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Replying to: jdelabre (Dec 27, 2006 8:07 am) |
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So here's my spin on the premium vs. regular gas issue...just took my 2005 TL to the Acura dealership for the 30K mile checkup. In addition to paying way too much for the service, I was told by Acura that I should stop using the premium gas and should switch to regular! Despite being told when I bought the car that NOT using premium would cause performance problems and lead to sludge in the engine, they are now recommending regular because it won't hinder performance, but the premium is leaving all sorts of deposits, causing the auto equivalent of clogged arteries. For just $300, they want to give the system a flush to rid it of the deposits that are lining the tank. Can you believe this crap? I'm not getting the service, but now I have no clue who/what to trust - do I continue using the recommended premium, or not?! Excuse me if I seem a bit suspicious that I'm being told whatever will make Acura more money today...
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Replying to: jetydosa (Mar 19, 2007 7:04 am)
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Replying to: pat (Mar 19, 2007 7:14 am)
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Replying to: jetydosa (Mar 19, 2007 7:25 am) |
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Replying to: jetydosa (Mar 19, 2007 7:04 am) The comment that premium fuel is leaving deposits on the engine that regular fuel does not leave is just incredulous to me - I cannot imagine that "deposits" would only occur in 93 Octane, unless it was related to the extra detergents that are often added. Even so, the answer would be to go to a discount chain (like Citgo) that doesn't add more detergents than are required by the gvt. We've got a good Acura dealer here in Tampa. Sorry you can't say the same. 
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Replying to: jetydosa (Mar 19, 2007 7:04 am) Higher octane allows the gas to withstand higher compression and temperatures before detonation. It facilitates the most complete burning of the gasoline - and hence results in the highest fuel efficiency and acceleration. Using lower octane gas in the TL can be done - but results in the engine managment systems retarding the timing to avoid premature detonation and pinging. BUT, that means the gas is not being burned as completely as it would under higher compression / higher temperatures. And THAT's what leads to deposits. Not the other way around.  It sounds like your service manager is running on low octane and has become a little "retarded" himself. But at least he isn't your doctor. He'd probably be telling you to load up with a pound of bacon every morning to help clear out your arteries.  This takes the "Got is ass-backwards?" award of the week. Make that month.
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Replying to: habitat1 (Mar 20, 2007 4:27 am) "He'd probably be telling you to load up with a pound of bacon every morning to help clear out your arteries." perfect analogy and I agree with your post. to the op, use premium gas, it's what is recommended from the manufacturer.
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