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View Poll Results: Do you have chirping (cricket) noise during idle once the car is warmed up?
Yes (Please only vote after you have 300 miles or more on the odometer) 3,093 85.18%
No (Please only vote after you have 300 miles or more on the odometer) 538 14.82%
Voters: 3631. You may not vote on this poll

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Old 08-28-2013, 10:17 AM   #2647
HunterGreene
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Originally Posted by sweetfrs View Post
i took my car in about 2 weeks ago and they put a tbs on the fuel pump or something. I just dropped it off and they are putting a whole new and improved unit in it
Let us know how it turns out...though I am willing to bet that the crickets will return.
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Old 08-28-2013, 12:20 PM   #2648
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It seems to me it is the ethanol in the gas. Because from what I found the Toyota version does not have this problem. And if the car was developed in an area that does not use ethanol in there gas, the problem would not surface until it got to the states. So instead of replacing the fuel pump with another OEM pump that work with ethanol free gas they need change the whole fuel system. It can't be the engine because we are close to the compression and bore&stroke as an S2000 and they didnt have this big of a problem.

Unless I'm completely wrong and talking out of my ass
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Old 08-28-2013, 12:54 PM   #2649
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who wants to bet there will never be a fix for this because nobody has had a real failure..



imo, I think they failed testing in the US.. The test engineers either missed the chirping, or they knew and figured it was nothing worth noting.. or the supplier changed specs..
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Old 08-28-2013, 01:27 PM   #2650
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just noticed the crickets today 3400 miles. I think all the gas around me has ethonal in it

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Old 08-28-2013, 02:31 PM   #2651
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Toyota operates significant testing facilities in America, most auto manufacturers do because where's the best place to do long term high heat testing? How about the hottest place on the planet: Death Valley California with the only fuel commercially available being 91 octane E10 gas.

http://www.toyota.com/about/our_busi...d_development/

Saying Ethanol is the problem is like saying fast shifts are the problem for the DI seal failures. Design criteria is the "problem" and as @choi0706 says, until there's a failure there's no need to do anything, it's just a noise. Ethanol is a band aid in so many ways.
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Old 08-28-2013, 07:58 PM   #2652
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Make sure the fuel is completely free of ethanol until they make the HP pump compatible with it or add a lubricant to the fuel to compensate.
What kind of lubricant do your add to the fuel?
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Old 08-28-2013, 08:18 PM   #2653
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Originally Posted by kurbkilla View Post
It seems to me it is the ethanol in the gas. Because from what I found the Toyota version does not have this problem. And if the car was developed in an area that does not use ethanol in there gas, the problem would not surface until it got to the states. So instead of replacing the fuel pump with another OEM pump that work with ethanol free gas they need change the whole fuel system. It can't be the engine because we are close to the compression and bore&stroke as an S2000 and they didnt have this big of a problem.

Unless I'm completely wrong and talking out of my ass
Well.. Your ass is talking.. The s2000 didn't use DI. It used a direct port injection system. DI uses a special pump for the high FP required on the twins.
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Old 08-28-2013, 09:40 PM   #2654
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What kind of lubricant do your add to the fuel?
You could try a high quality 2 stroke oil pref zero ash. It's designed for the job. Mineral oil might be better than synthetic, there are reasons it could burn more completely if you read up on it.
It's about 1:50 in a 2 stroke, 1:200 added to a HP direct injection diesel and 1:500 to 1:1000 for gasoline engine. That's what others have found by experimenting. There's heaps on this thread and you can google it to find out more.
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Old 08-28-2013, 09:48 PM   #2655
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You could try a high quality 2 stroke oil pref zero ash. It's designed for the job. Mineral oil might be better than synthetic, there are reasons it could burn more completely if you read up on it.
It's about 1:50 in a 2 stroke, 1:200 added to a HP direct injection diesel and 1:500 to 1:1000 for gasoline engine. That's what others have found by experimenting. There's heaps on this thread and you can google it to find out more.
Thanks bro but I am not trying to go Dino oil on an engine designed for synthetic but found out the Lucas fuel injector addictive was a good choice. I might try it. My chirp is not too bad. Is there anybody using e85 getting bad chirps?
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Old 08-28-2013, 09:49 PM   #2656
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Originally Posted by kurbkilla View Post
It seems to me it is the ethanol in the gas. Because from what I found the Toyota version does not have this problem. And if the car was developed in an area that does not use ethanol in there gas, the problem would not surface until it got to the states. So instead of replacing the fuel pump with another OEM pump that work with ethanol free gas they need change the whole fuel system. It can't be the engine because we are close to the compression and bore&stroke as an S2000 and they didnt have this big of a problem.

Unless I'm completely wrong and talking out of my ass
The Toyota version is still rated for E10, it's in the owners manual page 70.
Toyota stuffed up with the HP pump and one component can't handle the higher friction that ethanol causes. It gets worse when it's hot because friction increases with heat.
Why they haven't fixed it after well over a year is mindblowing, especially when you factor in all the pumps that have been replaced!
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Old 08-28-2013, 10:29 PM   #2657
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Thanks bro but I am not trying to go Dino oil on an engine designed for synthetic but found out the Lucas fuel injector addictive was a good choice. I might try it. My chirp is not too bad. Is there anybody using e85 getting bad chirps?
This isn't going in the engine oil, it goes in the fuel.
Is Lucas oil synthetic?
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Old 08-29-2013, 11:45 AM   #2658
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Well.. Your ass is talking.. The s2000 didn't use DI. It used a direct port injection system. DI uses a special pump for the high FP required on the twins.
I didnt say the s2000 had DI. I was saying it had close to the same compression. Some people thought that it was the high compression (12.5:1) but the S2000 had 11.7:1 with a larger bore&stroke.

But I was wrong regardless because of what Sierra and strat61caster mentioned.

Last edited by kurbkilla; 08-29-2013 at 11:57 AM.
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Old 08-29-2013, 12:07 PM   #2659
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Originally Posted by kurbkilla View Post
I didnt say the s2000 had DI. I was saying it had close to the same compression. Some people thought that it was the high compression (12.5:1) but the S2000 had 11.7:1 with a larger bore&stroke.
It doesn't have an HPFP like the twins.. Which is the source of the noise
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Old 08-29-2013, 01:35 PM   #2660
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Mine just started.... 700 miles on the odometer. Great.
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