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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 ?
Low air pressure in tires?
I used 91 and 93 gas. the TL has 8000 miles. The pinging noise comes only after driving the car for 30 min or more (means hot engine). So the problem might be caused by the reason as habitat1 said "compression and temperatures before deto".
I talked to the dealer to see if this will eventually give damage to the engine. They said no and suggest to use injector cleaner to clean the fuel system. Will this help?
Any one has similar experience as I do - your suggestion?
Hate Acura car !!!!!!!
'21 Dark Blue/Black Audi A7 PHEV (mine); '22 White/Beige BMW X3 (hers); '20 Estoril Blue/Oyster BMW M240xi 'Vert (Ours, read: hers in 'vert weather; mine during Nor'easters...)
Talk to the dealer and he suggested to add injector cleaner. Just did that and have to wait to run a whole tank of gas.
I am definitely having enough with this car. For example, with so many rattle noise still not fixed a few weeks ago a wind noise comes from the passenger side at speed above 40. I tried to figure out the source by blocking the window using scotch tape (for office use) one at a time. I found the source and fixed it tentatively by myself (use scotch tap to block that area).
I do not think the dealer can fix all these problems unless you tell them exactly what/where is wrong.
That is why I would like to first try by myself and listen to your guys suggestion.
Anywhere TL is a very poor qaulity car no matter what you say about it.
Have you heard the expression, "You attract more bees with honey than with vinegar"?
There are many people on this forum that have a great deal of knowledge and would go out of their way to help you but when you come in here saying that their cars are "poor qaulity" (sic) and that you hate Acura you are going to be hard pressed to find anyone with any real interest in helping you.
There, I feel much better now!
I am an honest person to say what I feel. I can not say I love the car when I am not. I do love my lexus car and recommended it to many of my friends (5 brought lexus, no one got acura within the past 10 months).
The worst case is that I will trade in TL with an infiniti or IS350. I feel it is to soon for me to do the trade-in (within less than one year and less than 9000 miles).
I do agree with you that "You attract more bees with honey than with vinegar" - thanks.
On the other hand, I think I have much more experince on figuring out rattle noise than most of you. - not too bad.
Charles Jones
Still diggin' my TL after all these years! (And, yes, I've had two rattles: sunroof and driver's side sunshade. Both fixed, no others).
'21 Dark Blue/Black Audi A7 PHEV (mine); '22 White/Beige BMW X3 (hers); '20 Estoril Blue/Oyster BMW M240xi 'Vert (Ours, read: hers in 'vert weather; mine during Nor'easters...)
The response I was given is it is normal for the car to ping and the engine was designed to have gas used, and most gasolines contain mixture in gas.
I have been a big Acura fan in the past and my family has purchased 11 Acura vehicles to date. However, I am very frustrated with their resolution to this issue. They should not put a vehicle on the road that will not be able to work well with gasoline offered in marketplace. If I had heard pinging when test driving the car I would not have purchased it!
I am at the point of needing to take legal action on this as I do not feel I should have to live with this problem, especially when purchasing a higher end vehicle. Pinging causes performance issues, and can cause engine damage over time...things I should not have to knowingly deal with from purchase of a new vehicle.
I do not think it is asking too much to not have a car that pings when I am doing everything asked by the manufacturer- I am using 93 octane ALWAYS! I have had oil changed (in fact early).
Any suggestions are greatly appreciated! I had hopes of keeping this car long term to pass onto my daughter, and in fact had front protection applied to car to help keep looking new...anyone in market for a 08'TL
I am sorry to hear that your car has pining noise and could not get it fixed. I believe that Honda car are generally good in quality (I used to have civic and accord) as most of people said here in this forum.
Maybe we are the few ones unlucky to get the cars with lots of issues.
After putting the engine injector cleaner and run different brand of gas for more than 5 weeks, the pinging noise in my car is gone. I am not sure if this is because of colder weather or gas quality. Where do you live?
I once called Acura at CA for my car's rattle noise issues, I got similar response from them saying that the car is designed to like that (sports car) and the rattle noise is normal.
Lesson learned is that test-driving a brand new car carefully even it is claimed high quality cars. 1% bad cars out of total is still considered to be good brand car (p-values < 0.01). We are the 1% ones.
I have a 2007 TLS and it's as quiet as a mouse. Acura needs to replace your Lemon! :lemon:
That is very kind of you. Since Acura consider it normal, I do not expect them to do anything. I tried to put rubbers between the windshield and dashboard, it works for some noise. But I do not know how to fix those from doors and back near the windshield. There is a gap about 1/4 inch wide between the door handle panel and the door body on the passager side, from the gap I can see the inside and the wires there (poor assembly quailty). Rattle noise comes from the door (at least 2 locations there).
1 out of 10 times (from home to work 20 miles each way) the car has no noise.
Charles
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?
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.
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.
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.
bamp....surprised you think the new TLs are louder. I know the '09s and '10s I've test driven, even the SH AWD ones, are significantly quieter than the '05 TL I had, by a pretty large margin.
I know it was supposed to be much quiter but fill up the tank with gas and drive around make stops going forward and back you will hear the noise it makes the pasengers in the back seat can hear it more than everyone else. It is a flaw Acura is passing on as a regualr noise personally I never had a car that I can hear the gas tank while in the driver seat. So if you test drive have them fill up the tank with gas then go for it again trust me the noise is there.
avg mpg has been consistently 25-26mpg, and I've gotten a couple of 30mpg readings on open highway and interstate!!!
very satisfied now!!!
I'd certainly buy the Accord CPE with the Acura's V-6 in its engine bay rather than the one it's delivered: a dealer said if I bought an Accord CPE: I could "insert" a card into its fuel management system that might give the Accord CPE similar power: that's what was said.
I'll stay with my TL's V-6 and wait for the TLX next year.
and for the two years I had it I burned regular and got 20 in town and 30-31 on hwy.
Premium gas here Ga is .50 to a dollar a gallon more than reg making a 20 gal fillup
$10 to $20 more which gets costly over time. I never noticed any performance difference.
What I would actually like to get out of this discussion is related to the long term affect the lower octane would have on the engine. Some research I have found shows that Acura service departments state you must use premium to avoid long term engine damage. Not sure if this is propaganda or fact. When I bought the car 3 years ago, premium was only 25 cents a gallon more. Now, in my area near Akron, Ohio, it has stayed at 80 cents more. Makes a big difference when 87 is 3.20/gal and 93 is 4 bucks! So, does anyone have a definitive answer as to whether or not 87 octane damages the engine?
What about the label on the fuel cap?
If it says Premium required, then you can absolutely do long term damage to your vehicle by using a lower octane.
But, if it doesn't, you are good to go.
I feel your pain. It's typically $1.00 gallon more, where I live
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With an engine designed for lower octane, first the compression ratio is lower, so the engine is less likely to detonate on the lower octane fuel. The lower octane fuel produces more BTUs of heat per gallon than higher octane fuel, so an engine designed for it actually gets better fuel economy on lower octane fuel than the higher-octane fuel (the higher the octane the slower the fuel burns). If something is wrong with the engine, let's say carbon deposits in the combustion chamber causing detonation from slightly increased compression due to the smaller combustion area plus easier auto-ignition of the fuel. The engine controller's response is the same as above, reduce timing, reduce throttle opening, and richer fuel mixture when necessary.