NEW 2009 Euro Luxury Auto Pinging

[VIDSEURO]

Why do you say that? It is high compression but it runs on premium. The CL9 never had a pinging issue and the air fuel ratio is typically very rich. Yes they increased the compression ratio on the CU2 slightly - but it is still a lower compresion than say a s2000 (and does that ping?).

~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Err Coz i felt like it...its a free country

So what if the CL9 never had pinging,
who cares about the air fuel ratio, not me....
And what has the s2000 has to do with it.. <crap all> its a different car.
Dude im not sure of what you are saying but keep up the good work.
I think if we can keep relevant that will help our cause.
Have a beer on me....

[buddah51au]

My money still says it is not a pinging problem as ;-

1. not all vehicles are effected
2. adding octane booster has no effect
3. using 95 or 98 RON fuel makes no difference.
4. all engines are the same, with same sensors & settings

Remember that the CU2 has a completely different cyl head design to the CL9, so they can't be compared.

[buddah51au]

with 100kw result on stock cars? i think it will be embarrasing

Denot, how can you justify that comment? Please name another mid size 4 cyl car in Australia that has more power than a Euro. Lets run through the list:-
Mazda 6
Camry
Mondeo
sonata
Epica
BMW 3 series 4 cyl

those 6 off the top of my head, so if the Euro is embarrasing what would you say about those cars?

[denot]

Denot, how can you justify that comment? Please name another mid size 4 cyl car in Australia that has more power than a Euro. Lets run through the list:-
Mazda 6
Camry
Mondeo
sonata
Epica
BMW 3 series 4 cyl

those 6 off the top of my head, so if the Euro is embarrasing what would you say about those cars?

no buddah... I just, somehow, have this thought that dyno day is for mod cars and all... so what I said is not that I embarrased on the CU2 compared to the other cars you've mention above, but to other cars that modded, turboed, etc that attend the dyno day. Like I sed, I just have this concept of "dyno day" is where moded car test their power...

Appologies for the wrong perception...

[yfin]

~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Err Coz i felt like it...its a free country

So what if the CL9 never had pinging,
who cares about the air fuel ratio, not me....
And what has the s2000 has to do with it.. <crap all> its a different car.
Dude im not sure of what you are saying but keep up the good work.
I think if we can keep relevant that will help our cause.
Have a beer on me....

As you didn't get it - I will explain it for you slowly. You made a wild comment "the car is already on the verge of pinging" because of high compression. There are lots of cars that are high compression. The CL9 is a related engine - that didn't ping. The s2000 has higher compression that your car - and that doesn't ping.

So whilst I sympathise with your issue - don't spread fear by saying that the car is on the verge of pinging based on its compression ratio. The ratio is nothing unusual and nothing new and is similar to many modern vehicles.

[VIDSEURO]

As you didn't get it - I will explain it for you slowly. You made a wild comment "the car is already on the verge of pinging" because of high compression. There are lots of cars that are high compression. The CL9 is a related engine - that didn't ping. The s2000 has higher compression that your car - and that doesn't ping.

So whilst I sympathise with your issue - don't spread fear by saying that the car is on the verge of pinging based on its compression ratio. The ratio is nothing unusual and nothing new and is similar to many modern vehicles.

Dude
Be affraid very affraid ..... Lol
Actually buddy that comment about the Euro being on the verge
of pinging is from Ken Sheppard from Honda Australia.
If thats fear than shyte i better hide....
No worries mate .... Did you have that beer, bet you drink light...
Anyhow...

[yfin]

Yes I am afraid... This Ken Sheppard is the same customer service consultant who sent you (or someone else here) an email saying the standard Honda message - ie it not pre-ignition (ie pinging) but post-combustion noise? Honda staff need to make up their mind - is this pre-ignition or post combustion noise?

[Joystick]

Spoke to the guys at Honda yesterday and was shown a letter regarding the pinging and where they're at, lets just say it contained nothing we don't already know and I doubt we'll see a fix this month.

Also, I was told that if you use any other oil apart from mineral in the CU2, you will void your warranty. The guy was pro sythetic but said he's been told that if you use non-mineral oil Honda won't honor the warranty.

Gotta get my hood shake fix next service, does anyone else notice a lot of bounce from their bonnet?

[SPQR]

Yes I am afraid... This Ken Sheppard is the same customer service consultant who sent you (or someone else here) an email saying the standard Honda message - ie it not pre-ignition (ie pinging) but post-combustion noise? Honda staff need to make up their mind - is this pre-ignition or post combustion noise?

Exalted and otherwise enlighted one, "pinging" or "engine-knocking" is a post combustion noise.

Please read the article for which I had previously posted a useful link:

http://en.wikipedia.org/wiki/Engine_knocking

From the Wiki article:
Knocking (also called knock, detonation or spark knock, pinking in UK English or pinging in US English) in spark-ignition internal combustion engines occurs when combustion of the air/fuel mixture in the cylinder starts off correctly in response to ignition by the spark plug, but one or more pockets of air/fuel mixture explode outside the envelope of the normal combustion front. The fuel-air charge is meant to be ignited by the spark plug only, and at a precise time in the piston's stroke cycle. The peak of the combustion process no longer occurs at the optimum moment for the four-stroke cycle. The shock wave creates the characteristic metallic "pinging" sound, and cylinder pressure increases dramatically. Effects of engine knocking range from inconsequential to completely destructive. It should not be confused with pre-ignition (or preignition), as they are two separate events......

Clearly Honda Australia are claiming that this post combustion noise is in the inconsequential range instead of near-Armageddon. So why won't they warrant engines past the first owner?

[yfin]

"pinging" or "engine-knocking" is a post combustion noise.

I found the reference - Honda here is saying post combustion is not pinging. Yet other Honda people are saying it is? Honda needs to sort out its messaging as it increasingly sounds like bulltish and damage control.

***

Dear xxxx, we appreciate that you are concerned about the presence of an engine operational sound as it detracts from your overall enjoyment of the vehicle and we wish to again reassure you that this condition will have no impact on performance or engine reliability. We have been working closely with the technical division of Honda Corporation in Japan and following extensive investigations we can confirm that the condition you are experiencing is not that of “pinging” which is known within the industry as “pre-ignition”. The condition that you are experiencing is a combustion sound taking place after the programmed ignition, namely a “post combustion noise”. As this condition takes place after the programmed ignition and with the piston on its downward stroke, there is no detrimental force or impact within the engine in your vehicle. Therefore your engine has not sustained any damage and we are happy to offer you a guarantee on the engine while you are the owner of this vehicle as a way of reassuring you of our confidence that no wear or damage is occurring to the engine or associated components.

We trust this advice from the manufacturer clarifies the matter.

Regards
Joe Gelsi
Customer Relations Manager
Honda Australia Pty Ltd

[yfin]

Also, I was told that if you use any other oil apart from mineral in the CU2, you will void your warranty. The guy was pro sythetic but said he's been told that if you use non-mineral oil Honda won't honor the warranty.

Joystick - what does the specs in the manual say re type of oil? If you go with that and it says nothing about the use of synthetic oil - I can't see how Honda could validly void warranty by the use of synthetic oil. Spreading a messaging by word of mouth is not the best way to advise owners. I also noticed that in Asia Honda sell its own full syn oil called Ultra Gold. One can only imagine that if it was sold here that Honda Australia would recommend it for all its vehicles in Australia due to its premium price tag. Yes I am a cynic!

[tony1234]

Also, I was told that if you use any other oil apart from mineral in the CU2, you will void your warranty. The guy was pro sythetic but said he's been told that if you use non-mineral oil Honda won't honor the warranty.

Gotta get my hood shake fix next service, does anyone else notice a lot of bounce from their bonnet?

That's crap re:using synthetic oil voiding your warranty.As yfin said where in the manual does it state that?My bonnet vibrated too.It's an easy fix.Just tell them when you book it in for service and they'll fix it.