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06-15-2011
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#11 | |
 Join Date: Aug 2006
Location: McLean, VA
Posts: 3,723
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Re: ECM CODE 61
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Starting a JAZOO? Which part of Korea are you going to? Yong-san? Pyong-taek? |
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06-15-2011
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#12 |
 Join Date: Nov 2010
Location: Japan
Posts: 30
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Re: ECM CODE 61
Paul,
Thank you for your sharing the picture about the vacuum system. I understood why I should check drivers side only. I will follow your procedure and diagnose the symptom step by step. Ted, I hope the check valve is one and only thing that is bad in the system 
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06-15-2011
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#13 | |
 
Join Date: May 2010
Location: Japan
Posts: 3,582
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Re: ECM CODE 61
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Just offering up some help if desired and that would be cool to have a JAZOO. I will be in Seoul (Yong-san); staying and the famous Dragon Hill Lodge on the base. It should be a nice time, but only 4 days.....enough time to get into trouble? 
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Craig "ZR-1 NO KA 'OI" "ZR-1 ICHIBAN" 1995 #228 Black/Black with Dunn Heads ZR-1 owner since September 2003 ZR-1 Net Registry Founding Member #0074 NCM Lifetime Member #2048 
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06-15-2011
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#14 |
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Join Date: Nov 2010
Location: Japan
Posts: 30
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Re: ECM CODE 61
Craig-san,
Thank you for your kind proposal concerning my Z. But the distance between Yokohama and Nagoya would be farther than your expectation. I would be very happy if I could get your advice and your deep knowledge on this issue. If I get into maze and have nothing to do, I will have my Z being on a carrier car and will rush to Yokohama needing for your help  Actually, I am interested in what related parts are to replace when I have to remove the plenum, such as gaskets, vacuum pipes etc.. but I will begin with check valve inspection. Talk to you soon Yoshifumi Honda 91 ZR-1 Nagoya, Japan |
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06-15-2011
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#15 | |
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Join Date: May 2010
Location: Japan
Posts: 3,582
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Re: ECM CODE 61
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I really don't mind and I know that it is probably closer to 4 hours and let's add in my getting lost. I want to explore Japan and woud stay in a hotel travel overnight, but understand and you might be okay on your own. No one can explain this better than Rob from the Corvette Action Center: http://www.corvetteactioncenter.com/...diagnosis.html I will see what I have in stock as I did not bring all my parts with me, but it arrives today. I don't know how I will fit everything into this smaller Japanese home compared to my small Hawaiian home. I mean small by US standards. I have a video from Marc Haibeck that will help you with the plenum pull and some great details. He explains very slowly so no problem for you and I can loan that to you too as well as any of the special tools too including vacuum tester. I had the same problem years ago and just replaced everything at the time for years of trouble free secondary port system. We'll keep in touch by email or phone and I'll send you the details. Take care and best wishes. Craig
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Craig "ZR-1 NO KA 'OI" "ZR-1 ICHIBAN" 1995 #228 Black/Black with Dunn Heads ZR-1 owner since September 2003 ZR-1 Net Registry Founding Member #0074 NCM Lifetime Member #2048
Last edited by HAWAIIZR-1; 06-25-2011 at 07:25 PM. |
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06-15-2011
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#16 | |
Join Date: Nov 2007
Location: Squires (near Ava MO in the Mark Twain N'tl Forest) - Missouri
Posts: 6,493
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Re: ECM CODE 61
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Lucky you ran into Craig over there close to you. He's recently just rebuilt his LT5 and it is all fresh in his memories! P.
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Good carz, good food, good friendz = the best of timez! 90 #1202 "FBI" top end ported & relieved Cam timing by "Pete the Greek" Sans secondaries Chip & dyno tuning by Haibeck Automotive SW headers, X-pipe, MF muffs Former Secretary, ZR-1 Net Registry |
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06-15-2011
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#17 | |
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Join Date: May 2010
Location: Japan
Posts: 3,582
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Re: ECM CODE 61
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__________________
Craig "ZR-1 NO KA 'OI" "ZR-1 ICHIBAN" 1995 #228 Black/Black with Dunn Heads ZR-1 owner since September 2003 ZR-1 Net Registry Founding Member #0074 NCM Lifetime Member #2048
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06-16-2011
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#18 |
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Join Date: Nov 2010
Location: Japan
Posts: 30
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Re: ECM CODE 61
Hi.
I tested the electric vacuum pump this morning and the pump seems to be working correctly. While the pump running constantly, I pulled apart the vacuum connection on the line between the pump and the plenum, and plugged the hose of the pump side with my finger. The pump stopped. But,after reconnecting the hose, I pulled the driver side vacuum hose which comes from the plenum(between cyl. #3 and #4), and plugged the end of the hose. THE PUMP DOES NOT STOP. There should be some leak or worn parts under the plenum and I think it?s time to remove it  Yoshifumi Honda 91Z Nagoya, Japan |
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06-16-2011
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#19 |
 
Join Date: Jan 2006
Location: Niceville
Posts: 998
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Re: ECM CODE 61
You are correct. You may be able to see a bad connection with a flashlight. The plenum pull is not that complicated but you will need good gaskets to reassemble. Sounds like Craig is your quickest and best bet. He is VERY capable and you should use his help the first time.
Let me know if you need something Ted |
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06-16-2011
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#20 |
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Join Date: Nov 2010
Location: Japan
Posts: 30
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Re: ECM CODE 61
Craig-san,
http://www.corvetteactioncenter.com/...diagnosis.html Thank you for your sharing the interesting link above. I have been at my office from 8:00 a.m. and not worked yet this morning because I was too busy to read through the article My friend mechanic has a handheld vacuum pump and we will try to inspect vacuum circuit for leaks or worn parts, including valve actuator, vacuum reservoir and vacuum solenoid. I will let you know the detail here or by e-mail and would like to talk with you about which parts to replace. Thank you. Yoshifumi Honda 91Z Nagoya, Japan |
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