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Comments
It is VERY slight and I don't know if I would call it a rattle. Most people wouldn't notice it, but I am really picky when it comes to cars. Besides, if only some of them did it, then Mazda would figure out what is different from the affected engines and fix it. What Mazda is saying now is that ALL of them do it and it is normal. If all of them DON'T do it, then it is not normal. If yours truly doesn't do it, then what is different between your engine and mine? See what I am getting at?
I finally got rid of some of the "roughness" of the engine at high RPMS by changing to synth. Now I want to track down this other niggling little issue.
IIRC, the person who made the original post I quoted above was going to check again - but didn't report back with anything new to add.
I believe it is indeed an emissions measure to reduce emissions during the warm-up period (when cars tend to pollute the most), in combination with reducing engine warm-up time, through fine tuning of the intake stage (through VTCS) and spark advance, used only until the engine warms up as indicated by the ECT.
Bruno
"The variable tumble control system reduces emissions on cold-starts by promoting greater swirl within the combustion chamber."
Anybody have an technical details on how it works? I'm starting to see what might be going on here, but its hard to know without knowing exactly what VTCS does.
Bruno
What I have noticed is that you have to be very careful w/ the throttle when the car is cold, otherwise it's like it almost stalls.
Could it be one is the cause, the other is the cure? But again, all that are suppositions.
"Customer *may* experience an engine rattle"
Well, if all of the engines are affected, then the "Customer *WILL* experience an engine rattle". It's really simple logic. I'm affraid Maltb answered my question already though and it's not the answer I wanted to hear...
Regards,
Mark.
Dinu
Well, not really. Using the word affected does not mean it has the rattle. It means it has the possiblity of the rattle due to a design flaw. After that flaw, manufacturing tolerances, climate, driver, all play into whether you have a serious rattle or no rattle at all. But do to the engines design flaw, ALL are affected.
Meinrad--Well, that's your interpretation.
People just amaze me sometimes...
Bruno
My 2000 ES just turned 43,000 miles this weekend ... still goin' strong!
Looking forward to MAPP IV!
Meade
"Just I don't get your point trying to tell that those of us who do not hear the rattle are insensitive, or the TSB is wrong, or etc..."
Huh? I never called anyone insensitive. I just wanted to find out if everybody was experiencing this. I felt a lot better when I thought that "they all do it". Now that I know that they don't all do it, it makes me nervous even though it might not hurt the engine.
>>Either you guys aren't noticing it, or there is a difference between our engines. If there is a difference between our engines, then there HAS to be a way to correct it.<<
Anyway, as I told before, my car is not completely immune of the rattle, and this happens in a relatively warm weather. This will probably make you feel better.
Bruno
And the car was in the sun.
And last night, the interior of my car smelled like rotting vegetation.
Drove home with the windows and roof open, left the windows cracked last night.
This morning: the interior of the car still stinks of rotting vegetation.
Other than nasty chemical sprays and weird cab-driver air fresheners, any suggestions?
Ironic, since just the other day a passenger commented that my car still had that new-car smell.
And the first person who suggests going through the carwash with the windows down will get a personal kick in the a** from me. I don't care if I have to buy plane tickets to do it.
--Dale
(runs away)
-old head
They have a air-freshener with "NEW-CAR" fragrance.
Try that out!!
Nick: Do you drive a cab?
Larry: I doubt Meade would part with a pair of his unwashed socks. Haven't you heard what he does with those?
Hank: Be afraid. Be very afraid.
Get a small box, open it and place it somewhere it won't spill, of course!
Also try a room/air freshener spray and a car air-freshener that you can place inside the car somewhere.
I don't think that's possible if Dale's involved.
:O
Like I said, I'm trying to avoid sprays and car air fresheners. I can't STAND those things.
Makes me think of all those years of taking cabs, and paying money for the privelege of being driven around by weirdos. No offense to any weirdos...er, I mean...cab drivers.
Hmmff?
Oh. There. Couldn't talk with my mouth full of sock.
Can't part with my socks, thank you very much. But I'll happily toss a pair of old, overstretched tighty-whities. Now that I've lost FORTY-NINE POUNDS since January 5 of this year, they keep falling down around my ankles. Kinda embarrassing when you're giving a Power Point demonstration to your organization's board of directors.
So ... Meade's used underpants. Only a buck a pair. Get yours now! And to keep this on-topic, I'll throw in an Edmunds MAPP T-shirt with every order!
Meade
Regular clay-type litter works the same way, but to a lesser degree.
Leave your windows open as much and for as long as you can. You'll eventually dilute the odor source enough that it'll blend into the background.
If you want to be more active about it, try an odor-neutralizing spray. Look for ones that claim to neutralize organic sources of odor. And avoid the heavily-perfurmed ones. I really hate those myself.
Dirty socks, used underpants, dead flowers, crime scene odors...
Y'know, it's lunchtime for many folks at this moment. (At least it WAS.)
Heck, that's what cured my former Mazda pickup of my wife's little bout of "morning sickness" she left in the seat, cloth door insert and door map pocket a few years ago ... orchids, by comparison? Them's easy!!!
(How's that for your lunchtime appetite, Pat?)
Meade