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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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#72 of 78 Re: Opposite Advice from Acura...What to Do? [masonjk] by charles12 Nov 03, 2008 (8:10 am)
Replying to: masonjk (Oct 23, 2008 4:03 pm) Masonik,   Just want to follow up to see what they did for your car.   I most recently noticed abnormal engine sound + almost unnoticable pinging noise when I accelarated the car . I used Mobile gas for the last 2 tanks (I was told by Luxus dealer, when I do my maintaince for my 2007 RX350 there, that Mobile gas contains up to 10% ethnol. Suggest using NOCO or Quickfill Gas).   Do you think that any computer program problem causes the pinging? Replies to this message: masonjk (Nov 11, 2008 6:20 pm)
#73 of 78 Re: Opposite Advice from Acura...What to Do? [charles12] by masonjk Nov 11, 2008 (6:20 pm)
Replying to: charles12 (Nov 03, 2008 8:10 am) nothing done yet- have been traveling a lot and have not had a chance to get car back into acura. Hoping to later this week before doing road trip next week for 600+ miles. Still pings...typically during steady (but not hard) acceleration at speed between 30-50 mph. I hear it happen when engine is cold and also after it is warmed up.
#74 of 78 Re: Buy the Accord? [habitat1] by geojb3 Feb 02, 2009 (2:28 pm)
Replying to: habitat1 (Aug 13, 2006 11:11 am) This is exhausting reading ..... all this misinformation. I worked for both Chrysler and GM and have a mech. eng. degree (no big deal). Premium gas is marketing genius at its best. The oil execs luv all you premium gas buyers. They have pulled off the biggest scam on the public and have made billions, simply by using the word premium. "Premium" means "the best". WRONG. Unless your going to attach a 30' travel trailer to your BMW, Mercedes or your Chevy pickup and pull it uphill to Tahoe - You are absolutely wasting your money on premium. In fact, at Tahoe's elevation your premium will fail to burn 100%and cost you about 25% drop in efficency. I have never burned anything but the cheap stuff in my cars, except my '67 Rover 2000 which had a compression ratio 15:1 (after I got done with the rebuild). You burn premium in a Yamaha and Suzuki motorcycle that redlines at 11,000. Not in a car that redlines at 4500. Your compression ratio will dictate what you burn. Replies to this message: ohoh2 (Jun 07, 2009 11:01 am)
#77 of 78 Re: Buy the Accord? [geojb3] by ohoh2 Jun 07, 2009 (11:01 am)
Replying to: geojb3 (Feb 02, 2009 2:28 pm) I am geting a 2006 Acur TL and the car has a 11.0:1 compression ratio and it is recommended to put 91 octane gas. Would you suugest that a lower octane will work just as well as the higher octane.   Lower octane will not burn at the correct temperature and might ruin the sensors and engine. That is what I have read.   Just a question.
#78 of 78 2008 Base TL Premium Gas Issue by smarty666 Aug 03, 2009 (5:44 pm)
I drive a 2008 Base TL and have been using Hess 93 Octane gas for the last year; I've been getting a respectable 24 MPG with mostly rural town/city driving and about 28-29 MPG with highway/interstate travel; over the last two months I switched to Shell V-power after reading several articles on Edmunds, etc how Shell is a top tier fuel and they most people get their best gas mileage with them but I don't see that happening with me; I've had 6 fill ups with Shell V-power and have lost 2 MPG in all driving; I now get 22 MPG with mostly rural town/city driving and about 25-26 MPG with highway/interstate travel; has anyone else had this happen to them? I was going to give it another two fillups with Shell V-Power to see if the MPG improves but if it doesn't I'm going to switch back to Hess/Exxon/BP 93 Octane

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