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Acura TL and Premium vs Regular Gas

78 messages,  Last post on Aug 03, 2009 at 5:44 PM

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What is this discussion about? Acura TL, Fuel System, Sedan

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#48 of 78 Re: Opposite Advice from Acura...What to Do? [jetydosa] by taxesquire Mar 19, 2007 (12:14 pm)
Replying to: jetydosa (Mar 19, 2007 7:04 am) Sounds ridiculous to me, too! The car will run on either premium or regular, but gets better mileage (and accelleration) with premium.   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. Replies to this message: meateater (Mar 20, 2007 6:31 pm) laurasdada (Mar 21, 2007 9:33 am)
#49 of 78 Re: Opposite Advice from Acura...What to Do? [jetydosa] by habitat1 Mar 20, 2007 (4:27 am)
Replying to: jetydosa (Mar 19, 2007 7:04 am) You are being fed a complete line of BULL from your dealer and they should be called to the carpet to explain this absurd recommendation and unnecessary service.   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. Replies to this message: ggesq (Mar 20, 2007 6:17 am) jetydosa (Mar 20, 2007 7:24 am) charles12 (Sep 16, 2008 6:35 am) 06tl (Sep 16, 2008 9:32 am) laurasdada (Sep 16, 2008 9:54 am) and 5 more... masonjk (Oct 20, 2008 4:50 pm) charles12 (Oct 23, 2008 11:16 am) and 3 more...
#50 of 78 Re: Opposite Advice from Acura...What to Do? [habitat1] by ggesq Mar 20, 2007 (6:17 am)
Replying to: habitat1 (Mar 20, 2007 4:27 am) hab,   "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.
#51 of 78 Re: Opposite Advice from Acura...What to Do? [habitat1] by jetydosa Mar 20, 2007 (7:24 am)
Replying to: habitat1 (Mar 20, 2007 4:27 am) That was my initial thought, thanks for the back up. I'll be calling the Acura customer service line to tell them what I was told and see what they say. If nothing else, I can verify it is a bunch of crap straight from the source. FWIW, I haven't had any engine or (noticeable) performance problems, so I quickly dismissed the sales pitch. But the underlying rationale seemed like a head-scratcher just because I was told the opposite when I bought the car!
#52 of 78 Re: Opposite Advice from Acura...What to Do? [taxesquire] by meateater Mar 20, 2007 (6:31 pm)
Replying to: taxesquire (Mar 19, 2007 12:14 pm) the answer would be to go to a discount chain (like Citgo) that doesn't add more detergents than are required by the gvt.   Put me on the list of avoiding Citgo/Venezuela because of the Chavez butthead. Anywhere but there.   We don't have 91 octane on the East Coast. 87,89,93 only. What happened to Sunoco's dial-an-octane? Replies to this message: laurasdada (Mar 21, 2007 9:33 am)
#53 of 78 Re: Opposite Advice from Acura...What to Do? [meateater] by laurasdada Mar 21, 2007 (9:33 am)
Replying to: meateater (Mar 20, 2007 6:31 pm) The Sunoco I occasionally use south of Boston has 91. But the Shell up the street usually sells 93 for less than the Sunoco 91.
#55 of 78 Put me on the list of avoiding Citgo/Venezuela because of the Chavez butthe by ficuss Mar 22, 2007 (3:27 pm)
I think you're confusing hot air with gasoline. they both come from South of the Border. The last time I checked, our local Citgo was manned by locals.. Why hurt them?
#56 of 78 why is my gas mileage dropping? by bejocund Sep 09, 2008 (8:10 pm)
I have a 2005 TL and it claims :   18 mpg in city 21 mpg mixed 26 mpg highway   I have 82,000 miles on my car and was wondering why I am getting   15 mpg city 19 mpg mixed   I buy grade 93 gas.   Maybe it is time to buy a new 3rd set of tires? Maybe something else is causing a drop in mileage? or buy new NGK Iridium spark plugs?   Although I hear that you don't need to change spark plugs til 100,000 miles for the '20 TL, but I've heard that NGK is best to change around 60,000 miles even though NGK's website says it depends on what your car manufacturer recommends....   Any insight on this ? Replies to this message: mikey38 (Sep 10, 2008 6:05 am)
#57 of 78 Re: why is my gas mileage dropping? [bejocund] by mikey38 Sep 10, 2008 (6:05 am)
Replying to: bejocund (Sep 09, 2008 8:10 pm) driving habits perhaps? Do you shove your foot down on the accelerator? Do you keep your foot down when approaching a red light and go straight to the brake instead of coasting?   Low air pressure in tires?

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