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10-02-2010
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#1 |
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Join Date: Jun 2006
Location: Sparks, NV
Posts: 2,843
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Code 16
Just completed putting a buddies 90' top end back together after a powder coat treatment and replacing the starter, injectors, coils and wires. She started OK and after a few minutes of rough running cleared up and ran. She's exhibiting a few unusual things though. She shows a code 16, runs the cooling fans constantly and idles at about 1000 rpm.
I looked up the code 16 and it has to do with either the DIS module, the ECM or a bad connection. We made one notable mistake when putting her back together. After everything was back together we tried to start her several times before realizing that we forgot to put the chip back into the ECM. Just want to see if anyone else has run into this or has any ideas before I pull the plenum again and check all the DIS connections? H 
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10-02-2010
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#2 |
 
Join Date: Dec 2004
Location: Jacksonville, FL USA
Posts: 4,609
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Re: Code 16
Hans, I had this the last time I did a pull. I bent one of the pins on the DIS box when I tried to put the harness connector on upside down!
  Trouble was even with one of those small mirrors I could not see well enough to confirm it till I pulled the plenum. The book lists wiring issue, ECM or DIS N/G as probable reasons for a 16. If you are near Tom from Movit ask to borrow my spare ECM that I sent out to him for another matter. Tom
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1990 ZR-1, Black/grey, #2233, stock. ZR-1 Net Reg Founding Member #316 & NCM member |
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10-03-2010
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#3 |
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Join Date: Jun 2006
Location: Sparks, NV
Posts: 2,843
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Re: Code 16
Thanks Tom, you confirmed my suspicion. I had difficulty getting the DIS connector on and was afraid I might have bent a pin. It will be a few days before I can check, hopefully I didn't damage thing too badly.
H
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10-03-2010
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#4 |
 
Join Date: Mar 2007
Location: Crystal Lake, IL
Posts: 7,180
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Re: Code 16
Hans I bent one pretty bad and it straighted out ok.
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LGAFF 90 #966-150K miles-sold 92 #234-sold 1987 Callaway TT #17 1991 ZR-1 #1359 |
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10-03-2010
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#5 |
Join Date: Jul 2007
Location: Bartlett, IL
Posts: 7,156
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Re: Code 16
IS that the 90 I saw back in June?
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1990 Corvette ZR-1 #1051 Watson Headers (2" Primary) - Flowmaster Cats - Borla Catback Late Model IH - Plenum Coilovers - 4.10s Shelby Series 1 - Wilwood Brakes Custom Interior NCM Lifetime Member #978 |
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10-03-2010
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#6 | |
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Join Date: Jun 2006
Location: Sparks, NV
Posts: 2,843
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Re: Code 16
Quote:
H
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10-03-2010
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#7 | |
Join Date: Nov 2007
Location: Squires (near Ava MO in the Mark Twain N'tl Forest) - Missouri
Posts: 6,466
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Re: Code 16
Quote:
  P. |
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11-05-2010
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#8 |
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Join Date: Jun 2006
Location: Sparks, NV
Posts: 2,843
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Re: Code 16
Well, we finally had time to pull the plenum last weekend and sure enough one of the pins on the DIS module for the main connector was bent and did not connect. I was able to bend it back and straighten it without any damage. Had to order a fresh set of plenum gaskets (broke one) so it goes back together tomorrow. That will hopefully do it.
H
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11-06-2010
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#9 |
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Join Date: Dec 2004
Location: Jacksonville, FL USA
Posts: 4,609
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Re: Code 16
Ya gotta love them inexpensive fixes!
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1990 ZR-1, Black/grey, #2233, stock. ZR-1 Net Reg Founding Member #316 & NCM member |
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Linear Mode
