90,000mile done! Gas milage increase almost 47+/-%

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Old 04-26-2008, 12:25 PM
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90,000mile done! Gas milage increase almost 47+/-%

Since my 90,000mile main. my car's mileage has increased much! 170miles at the half way mark and now its hitting 250miles on the half way mark . The motor filters/car filter were filthy(the ones behind the glovebox). It had collected so many leaves it was ridiculous and its totally understandable why that was affecting my gas gas mileage. Also they cleaned the fuel injector which madevery noticeable difference in the gas mileage and coasting. I can now coast longer(no foot on gas) for longer distances. I should have got this done sooner...also the Transmission runs much smoother with no delays since being flushed. Here is the sales receipt(i know i could have paid less if I had bought the parts, but I didn't have the cash. But Firestone was offering 90day no interest...not a bad deal if you ask me
In Dallas,Texas btw, Firestone did a excellent job in taking care of my car over the past year!


Old 04-26-2008, 12:46 PM
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nice, good to hear! maybe i should replace my filters...
Old 04-26-2008, 01:18 PM
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I am going to rain on the parade here folks- but with good reason

the cabin air filter- behind the glovebox is a 20 minute DIY and a 20 dollar part
A lot of that invoice is very suspicuos- I was in the biz ..I know

You need to go back immedialty and find out the following things:
Trans fluid- how EXACTLY was it "flushed" there is only one way on a TL and its manually drain and refill 3 qts at a time and drive 5 minutes between each - for a total of 9 qts
NO additives are recommended, AND HONDA ZR1 ATF fluid is the ONLY approved fluid!!!!
Dextron3 may be used to top off in an emergency!!- then trans must get the full 9 qts fluid exchange with the Honda fluid- total capacity of trans is 7.3 qts
Spark Plugs MUST be NGK (denso ok but suck) NGK Platinum or Iridium- invoice does not state brand and it is a critical issue
No other brands are compat with the TL ignition system and you WILL have problems

On mileage- the first half a tank always last longer than the 2nd
Fuel injector cleaning can be better and cheaper at home
See the DIY for Seafoam

Go back and ask those questions- if wrong stuff used, its refund or replace correctly with PROOF of correct trans fluid and spark plugs installed

Others take this as a good warning- non honda specialist can cause serious harm to the TL without knowing it, and you can do most of any service at home and better than some low paid lackey at the tire store
Like on the brake system flush- the bleed order is LF RF RR LR
that is different than any car I worked in before
Old 04-26-2008, 01:20 PM
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note the engine air filter is under the hood, driver side- 30$ part, 5 minutes to replace
The cabin air filter is behind the glovebox- when its dirty- you are breathing nasty air and needing higher fan speed to get airflow to heat or ac
It does not affect the engine/mileage beyond that slight extra electrical draw
Old 04-26-2008, 01:24 PM
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If your trans was experiencing delay from N to Drive- like more than a second or 2, thats a trans warning signal- does it give a wierd feel shifting itself into 2nd and 3rd-

Dont be at all surprised if the trans dies in a few weeks with those symptoms and a trans fluid change
Old 04-26-2008, 01:34 PM
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Originally Posted by 01tl4tl
I am going to rain on the parade here folks- but with good reason

the cabin air filter- behind the glovebox is a 20 minute DIY and a 20 dollar part
A lot of that invoice is very suspicuos- I was in the biz ..I know

You need to go back immedialty and find out the following things:
Trans fluid- how EXACTLY was it "flushed" there is only one way on a TL and its manually drain and refill 3 qts at a time and drive 5 minutes between each - for a total of 9 qts
NO additives are recommended, AND HONDA ZR1 ATF fluid is the ONLY approved fluid!!!!
Dextron3 may be used to top off in an emergency!!- then trans must get the full 9 qts fluid exchange with the Honda fluid- total capacity of trans is 7.3 qts
Spark Plugs MUST be NGK (denso ok but suck) NGK Platinum or Iridium- invoice does not state brand and it is a critical issue
No other brands are compat with the TL ignition system and you WILL have problems

On mileage- the first half a tank always last longer than the 2nd
Fuel injector cleaning can be better and cheaper at home
See the DIY for Seafoam

Go back and ask those questions- if wrong stuff used, its refund or replace correctly with PROOF of correct trans fluid and spark plugs installed

Others take this as a good warning- non honda specialist can cause serious harm to the TL without knowing it, and you can do most of any service at home and better than some low paid lackey at the tire store
Like on the brake system flush- the bleed order is LF RF RR LR
that is different than any car I worked in before
Dude, I totally agree with you. I had an 02 TL and now I have an 02 CL and I never take my car anywhere to make those changes. I have done all of that in my garage for less than 150.00, didnt do the tranny flush. I would definitely go back and question the bill.
Old 04-26-2008, 05:10 PM
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Originally Posted by JJ92799
Dude, I totally agree with you. I had an 02 TL and now I have an 02 CL and I never take my car anywhere to make those changes. I have done all of that in my garage for less than 150.00, didnt do the tranny flush. I would definitely go back and question the bill.
There's no point in going back to do anything but maybe ask about the tranny fluid. Ask the manager about it - and perhaps if needed, they'll cut you a deal to drain it once more and fill it with the Honda fluid.

Other than that they did what he asked, and he most probably signed the bill. It's a done deal. Some people may not have the tools, location, or mechanical ability to do this type of stuff themselves.
Old 04-26-2008, 05:21 PM
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the only service my 2001 CLS (65K miles) has been getting so far:
- oil changes
- Air filter/Cabin filter (DIY) every 30K miles
- coolant 30K miles
- brake fluid every 45K miles
- trans fluid every 30K miles


no need for stupid *checks* at stealership. its a waste.
Old 04-26-2008, 07:18 PM
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yes a contract to provide service was signed- and that OBLIGATES the shop to use the correct parts for the car- thats their job to know what is right and what is not!
There are way too many online or manual resources (underhood stickers) for anyone who works in a shop to use the wrong parts on an acura basic service.
If its the wrong trans fluid- its not drain once and refill- it REQUIRES a full 9 qt service- look in your owner book for confirmation
If it is the wrong plugs- like bosch- there is a sticker under the hood that specifies only denso or ngk and list the part number for them- so no excuse there either
If the sticker list only 2 brands guess how many are approved?
guess what leads to coil failure on our custon hi energy ignition systems?

The customer is not required to know all these things- professionals are paid to know.
Any error on their part is called a `comeback`- and they have to fix it right this time.

There could simply be the situation of- we used a standard invoice printout- but all your special acura stuff was used.
Seeing they charged 3 units of coolant in a system that only holds 1.7 gallons total--and added some goop that acura also says not to add anything to its HONDA coolant! something is wrong. You can use other brands- but no extra stuff in them- our cars are very picky about certain things- the power steering fluid is a good example
I ran a shop- I know the liability end of these jobs.
Go speak with the MANAGER and get some straight answers
I hate seing people get ripped and do what I can to help educate and overcome
Old 04-26-2008, 08:09 PM
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Good read. I think I need to change the cabin/engine filter next week.
Old 04-26-2008, 10:36 PM
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Originally Posted by 01tl4tl
I am going to rain on the parade here folks- but with good reason

the cabin air filter- behind the glovebox is a 20 minute DIY and a 20 dollar part
A lot of that invoice is very suspicuos- I was in the biz ..I know

You need to go back immedialty and find out the following things:
Trans fluid- how EXACTLY was it "flushed" there is only one way on a TL and its manually drain and refill 3 qts at a time and drive 5 minutes between each - for a total of 9 qts
NO additives are recommended, AND HONDA ZR1 ATF fluid is the ONLY approved fluid!!!!
Dextron3 may be used to top off in an emergency!!- then trans must get the full 9 qts fluid exchange with the Honda fluid- total capacity of trans is 7.3 qts
Spark Plugs MUST be NGK (denso ok but suck) NGK Platinum or Iridium- invoice does not state brand and it is a critical issue
No other brands are compat with the TL ignition system and you WILL have problems

On mileage- the first half a tank always last longer than the 2nd
Fuel injector cleaning can be better and cheaper at home
See the DIY for Seafoam

Go back and ask those questions- if wrong stuff used, its refund or replace correctly with PROOF of correct trans fluid and spark plugs installed

Others take this as a good warning- non honda specialist can cause serious harm to the TL without knowing it, and you can do most of any service at home and better than some low paid lackey at the tire store
Like on the brake system flush- the bleed order is LF RF RR LR
that is different than any car I worked in before
point taken. Everything checked out fine and the transmission was flushed properly.( I was wondering why I had extra miles in my car when I got back in..ha!) As far as Firestone goes, in my area its a nice store and really I thought twice before taking my car there for the first time. What really sold me were the people in my area taking their Mercedes,Porsche's,Beamers, and other vehicles their for tune ups and etc. So whats a Honda to these guys? I actually did sea foam my car twice before i took it in for the 90k and actually got a chance to look at what the seafoam didn't clean around the fuel injector. I understand some Firestone store are "lackey" but these guys have been great. I may understand if I have been overcharged to some, but hell it beats that $1100+ price tag the stealership was trying to charge me..also saying I needed new brakes when I really didn't.. But Thanks for bring the transmission fluid and spark plug issue to my attention!
Old 04-26-2008, 10:41 PM
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Originally Posted by 01tl4tl
If your trans was experiencing delay from N to Drive- like more than a second or 2, thats a trans warning signal- does it give a wierd feel shifting itself into 2nd and 3rd-

Dont be at all surprised if the trans dies in a few weeks with those symptoms and a trans fluid change
No i was really referring to the engaging in drive, there was a fraction of a delay...i just always wondered about that... Also that vibration I had in the clutch at take off/(giving gas after a stop) no longer resides... I must say though, the car runs so damn smooth its unbelievable.
Old 04-26-2008, 11:16 PM
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Originally Posted by whudini3000
point taken. Everything checked out fine and the transmission was flushed properly.( I was wondering why I had extra miles in my car when I got back in..ha!) As far as Firestone goes, in my area its a nice store and really I thought twice before taking my car there for the first time. What really sold me were the people in my area taking their Mercedes,Porsche's,Beamers, and other vehicles their for tune ups and etc. So whats a Honda to these guys? I actually did sea foam my car twice before i took it in for the 90k and actually got a chance to look at what the seafoam didn't clean around the fuel injector. I understand some Firestone store are "lackey" but these guys have been great. I may understand if I have been overcharged to some, but hell it beats that $1100+ price tag the stealership was trying to charge me..also saying I needed new brakes when I really didn't.. But Thanks for bring the transmission fluid and spark plug issue to my attention!
The multi-vehicle transmission fluid they used (I'm guessing) should be fine. It may actually be superior to the Honda Z1 after seeing the frictional properties of the Z1 fluid in a SAE paper. If your Firestone uses Kendall products like most Firestones do, then they probably used the Kendall VersaTrans Multi-Vehicle ATF. I don't think the additives are necessary and I probably would've asked that they not use them, but I don't think they'll do any harm either.

Some cars seem to do fine with the Bosch Platinum+2 plugs (I recognize the part #), others don't do as well. Just keep an eye on it. I think you're the only one on this forum who is using those plugs in their car.

I haven't had any problems with using an aftermarket universal coolant in any vehicle. That doesn't mean it's the right thing to do, but I've never had or seen any problems with doing so. I think most cooling system problems are caused by poor maintenance, not the coolant type.

I think the Wynn's fuel system clean-up is fairly effective. It involves running the engine off a fuel additive, cleaning the throttle body and cleaning the combustion chamber. There are videos on how the Wynn's transmission flush and fuel system services are performed on youtube:

http://youtube.com/watch?v=f_r-aQMh2Ck
http://youtube.com/watch?v=FjxmlrbpjTk
Old 04-26-2008, 11:18 PM
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Originally Posted by SodaLuvr
The multi-vehicle transmission fluid they used (I'm guessing) should be fine. It may actually be superior to the Honda Z1 after seeing the frictional properties of the Z1 fluid in a SAE paper. If your Firestone uses Kendall products like most Firestones do, then they probably used the Kendall VersaTrans Multi-Vehicle ATF. I don't think the additives are necessary and I probably would've asked that they not use them, but I don't think they'll do any harm either.

Some cars seem to do fine with the Bosch Platinum+2 plugs (I recognize the part #), others don't do as well. Just keep an eye on it. I think you're the only one on this forum who is using those plugs in their car.

I haven't had any problems with using an aftermarket universal coolant in any vehicle. That doesn't mean it's the right thing to do, but I've never had or seen any problems with doing so. I think most cooling system problems are caused by poor maintenance, not the coolant type.

I think the Wynn's fuel system clean-up is fairly effective. It involves running the engine off a fuel additive, cleaning the throttle body and cleaning the combustion chamber. There are videos on how the Wynn's transmission flush and fuel system services are performed on youtube:

http://youtube.com/watch?v=f_r-aQMh2Ck
http://youtube.com/watch?v=FjxmlrbpjTk
Thanks! oh yeah and they did use the proper Honda tranny fluid to clarify any concerns!
Old 04-26-2008, 11:26 PM
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Originally Posted by SodaLuvr
The multi-vehicle transmission fluid they used (I'm guessing) should be fine. It may actually be superior to the Honda Z1 after seeing the frictional properties of the Z1 fluid in a SAE paper. If your Firestone uses Kendall products like most Firestones do, then they probably used the Kendall VersaTrans Multi-Vehicle ATF. I don't think the additives are necessary and I probably would've asked that they not use them, but I don't think they'll do any harm either.

Some cars seem to do fine with the Bosch Platinum+2 plugs (I recognize the part #), others don't do as well. Just keep an eye on it. I think you're the only one on this forum who is using those plugs in their car.

I haven't had any problems with using an aftermarket universal coolant in any vehicle. That doesn't mean it's the right thing to do, but I've never had or seen any problems with doing so. I think most cooling system problems are caused by poor maintenance, not the coolant type.

I think the Wynn's fuel system clean-up is fairly effective. It involves running the engine off a fuel additive, cleaning the throttle body and cleaning the combustion chamber. There are videos on how the Wynn's transmission flush and fuel system services are performed on youtube:

http://youtube.com/watch?v=f_r-aQMh2Ck
http://youtube.com/watch?v=FjxmlrbpjTk
Great Vids...
Old 04-26-2008, 11:34 PM
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Originally Posted by SodaLuvr
The multi-vehicle transmission fluid they used (I'm guessing) should be fine. It may actually be superior to the Honda Z1 after seeing the frictional properties of the Z1 fluid in a SAE paper. If your Firestone uses Kendall products like most Firestones do, then they probably used the Kendall VersaTrans Multi-Vehicle ATF. I don't think the additives are necessary and I probably would've asked that they not use them, but I don't think they'll do any harm either.

Some cars seem to do fine with the Bosch Platinum+2 plugs (I recognize the part #), others don't do as well. Just keep an eye on it. I think you're the only one on this forum who is using those plugs in their car.

I haven't had any problems with using an aftermarket universal coolant in any vehicle. That doesn't mean it's the right thing to do, but I've never had or seen any problems with doing so. I think most cooling system problems are caused by poor maintenance, not the coolant type.

I think the Wynn's fuel system clean-up is fairly effective. It involves running the engine off a fuel additive, cleaning the throttle body and cleaning the combustion chamber. There are videos on how the Wynn's transmission flush and fuel system services are performed on youtube:

http://youtube.com/watch?v=f_r-aQMh2Ck
http://youtube.com/watch?v=FjxmlrbpjTk
You know im going to get the NGK plugs tomorrow, The Bosch plugs are esp. nice and my idles are alot smoother...but earlier today when i was trying to race a is300...i get no pull from these things...seems like its suppressing my hp.
Old 04-27-2008, 01:22 AM
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How exactly did you see what seafoam didnt clean on the fuel injector?
Old 04-27-2008, 01:23 AM
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Originally Posted by 01tl4tl
How exactly did you see what seafoam didnt clean on the fuel injector?
Seafoam is just alcohol anyway. Water would probably have the same effect on the combustion chambers.
Old 04-27-2008, 01:34 AM
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I asked about the comment specifically on the fuel injector ..not the combustion chamber
Seafoam is more than water, I am old- face it- i have tried many things on cars you will never even learn- water spray is older than me- BUT it eats plugs
Seafoam is designed to clean the rings and things too
do some research away from azine as I have- and I used to operate a FI cleaning machine back in the day and guess what it uses-----and its not water
Old 04-27-2008, 01:40 AM
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Originally Posted by SodaLuvr
The multi-vehicle transmission fluid they used (I'm guessing) should be fine. It may actually be superior to the Honda Z1 after seeing the frictional properties of the Z1 fluid in a SAE paper. If your Firestone uses Kendall products like most Firestones do, then they probably used the Kendall VersaTrans Multi-Vehicle ATF. I don't think the additives are necessary and I probably would've asked that they not use them, but I don't think they'll do any harm either.

Some cars seem to do fine with the Bosch Platinum+2 plugs (I recognize the part #), others don't do as well. Just keep an eye on it. I think you're the only one on this forum who is using those plugs in their car.

I haven't had any problems with using an aftermarket universal coolant in any vehicle. That doesn't mean it's the right thing to do, but I've never had or seen any problems with doing so. I think most cooling system problems are caused by poor maintenance, not the coolant type.

I think the Wynn's fuel system clean-up is fairly effective. It involves running the engine off a fuel additive, cleaning the throttle body and cleaning the combustion chamber. There are videos on how the Wynn's transmission flush and fuel system services are performed on youtube:

http://youtube.com/watch?v=f_r-aQMh2Ck
http://youtube.com/watch?v=FjxmlrbpjTk
great info i wonder where i can get that Wynn service done. any idea?
Old 04-27-2008, 01:46 AM
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Originally Posted by 01tl4tl
I asked about the comment specifically on the fuel injector ..not the combustion chamber
Seafoam is more than water, I am old- face it- i have tried many things on cars you will never even learn- water spray is older than me- BUT it eats plugs
Seafoam is designed to clean the rings and things too
do some research away from azine as I have- and I used to operate a FI cleaning machine back in the day and guess what it uses-----and its not water
I still don't buy it. I'm putting seafoam into the same category as MMO for now.

BTW, I still believe that either of those products will not do your plugs or your CAT any favors.
Old 04-27-2008, 01:47 AM
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Originally Posted by roxburydog
great info i wonder where i can get that Wynn service done. any idea?
I think the BG one is better actually, and you can check www.bgfindashop.com.

However I think it's a waste of money unless you are really having some fuel related problems.
Old 04-27-2008, 02:15 AM
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Originally Posted by 01tl4tl
How exactly did you see what seafoam didnt clean on the fuel injector?
I originally wanted to replace them first hand, they said it wouldn't be cost effective and agreed to inspect them. There is no way for you to see if a fuel injector is dirty....but there had to be gunk sea foam did not manage to squeeze out..thus better performance. Dude scratch that sentence about the....in the earlier post....my fingers are not in sync with my brain. Thanks for bringing that to my attention.
Old 04-27-2008, 12:08 PM
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yeah, the whole idea of "preventive maintenance" is absurd. Just wait for your car to break before you do anything.

Or, maybe if you clean you FI system when you are not having "fuel related" problems, you won't have them. I have seen the seafoam explicitly help a buddies engine.

Cat heats up and burns stuff off (which is why they tell you to get the vehicle to operating temps prior to seafoaming). So, the cat is fine.

It is doubtful you yanked an injector prior to and following a seafoam is what 01tl4tl is saying.
Old 04-27-2008, 12:10 PM
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Original poster, cabin air filters could be blocked and you wouldn't get bad mileage.

Also, have them show you the ATF. If they pulled some book and busted out DEXRON III/MERCON, tell them to put the honda friction modifier in. Or, it is not the right fluid. Also, "flushing" with a machine is "condemned" by Honda corp. Drain and fill is the prescribed method.

Hope all goes well.
Old 04-27-2008, 01:08 PM
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Just viewed the wynns video of cleaning- very interesting- it does show each way we would use seafoam, only they have a way to put it in more slowly with a metering device and pressure hose to drive the system- thats cool

The method used by ziners uses a main manifold vacport- same as they did,(better ours is at the manifold not in a back corner)
add to gas tank- like they did- and spray clean the TB- like they did!

A far more educational video on that same page- uses a boroscope camera to go inside and inspect the crud- it is real!!!- then watch as the fuel injector spray pattern vastly improves and then they watch the valves get clean.

All in all- IMO- use something! to service the fuel and combustion sysytem
91 octane is 4.23 today- whats it going to be next weekend? Its never going down you can be assured of that...you are willing to pay it now and not drive less- so why would they reduce the price???
Keeping the Hi Compression engine of a TL CLEAN is important for many reasons
in this writers opine~~
Old 04-27-2008, 02:29 PM
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Originally Posted by 01tl4tl
J
All in all- IMO- use something! to service the fuel and combustion sysytem
91 octane is 4.23 today- whats it going to be next weekend? Its never going down you can be assured of that...you are willing to pay it now and not drive less- so why would they reduce the price???
Keeping the Hi Compression engine of a TL CLEAN is important for many reasons
in this writers opine~~
X2 on that one!
Old 04-27-2008, 02:42 PM
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To the OP, make sure those plugs are right for real. Next time just ask people on here for advice too, a ton of that stuff you could've done yourself even if you aren't all that mechanically inclined.
Old 04-27-2008, 06:27 PM
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Originally Posted by bibledriver
Original poster, cabin air filters could be blocked and you wouldn't get bad mileage.

Also, have them show you the ATF. If they pulled some book and busted out DEXRON III/MERCON, tell them to put the honda friction modifier in. Or, it is not the right fluid. Also, "flushing" with a machine is "condemned" by Honda corp. Drain and fill is the prescribed method.

Hope all goes well.
The frictional behavior of a Dexron type fluid may actually be better in this case than the Z1 fluid. If you have seen how the Z1 fluid behaves, the frictional properties are very unstable.
Old 04-28-2008, 09:20 AM
  #30  
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Originally Posted by SodaLuvr
I still don't buy it. I'm putting seafoam into the same category as MMO for now.

BTW, I still believe that either of those products will not do your plugs or your CAT any favors.
Never had a plug issue, and have over 260k on my cat using it. Never a 02 problem either.
Old 04-28-2008, 09:44 AM
  #31  
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I think in the interest of those wanting to learn `what actually works on an Acura TL`
certain posters~, in truth-, do not even own an acura---
lowering, IMO, their cred on certain subjects,
and are/may be of the younger---- still in school /university generation- --
Where Economics Majors say- there is no recession!!!! because the GOVT use of the word means a previous period of time with negative yada---
pretty much- after the fact reporting of the money in america!
think FOX news

Gas is expensive in many ziners mind- and its getting worse-
Few in america are driving less, just cutting back on other things to drive like they always do.

Preventative maitenance on the TL is how you get an engine lasting well beyond 200k miles that gets 30mpg.
Some of us plan to keep this car for many years, too much fun to ever let it go! IMO!!!
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Quick Reply: 90,000mile done! Gas milage increase almost 47+/-%



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