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11-10-2020
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#1 | |
  
Join Date: May 2007
Location: Peoria, AZ
Posts: 9,120
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Re: Broke down at C.O.T.A.
Quote:
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GOLDCYLON - 91 ZR-1 #2014 GOLDCYLON - 90 ZR-1 #2794, 4L60e (Formerly Schrade's) GOLDCYLON - 11 CTS-V Arizona State Director  91 WHITE/BLACK #2014. 380 P&P&PCed,Ported Heads, Jeal Long tubes, Corsa Exhaust/FIKSE FM-5s /LED TLs, LED Headlights, Front Wilwood 6 piston narrowlite calipers and rear Wilwood caliper street shop mod,CNCed Coolant Pipes,TPI Cvr,Filter cover,Stainless Bolts, DRM/DOM PROM /ZFDOC mod build #102,DRLs,BMAD with stainless Debris Screen,Coplan Air Blaster, Pioneer APP Radio 4,Brey-Krause HB,Sub Bar,Fire extinguisher seat mount,DRM Coilovers,LEDs everywhere,Compass mirror (orange),V1 DIC hidden display, Homelink sun visor, Carbon Fiber top x3 and APSIS Carbon Fiber interior, APSIS CF Steering Wheel/NAPA Leather, Banski trailing arms, Guldstrand front suspension,urethane bushings from Prothane (total suspension) ZFDoc drive shaft safety loop, raptor shift light (orange),AO engineering louver front plate, Console seat cushion, 96CE seats with black custom Sheepskins, ss billet catch can,Viper remote entry/alarm,Cragar Rear Louvers,LED side louver lights, Dewitts Radiator with SPAL fans and a Woods 160 T-Stat 90 RED/BLACK #2794. 4L60e Automatic Stage V by RPM Transmission, TCI Dedicated TCM, OBX Stainless Headers, Corsa Exhaust, SAN Secondaries and Haibeck PROM, Exotic Muscle Coil overs, LED Interior Lights, LED Tail Lights, LED Headlights, 94 Sport seats with black custom Sheepskins , Cragar rear louvers, GS Front calipers, Banski Trailing arms, APSIS Carbon Fiber steering wheel, Front and Rear Baer Eradispeeds, DRLs, Guldstrand front suspension,urethane bushings from Prothane (total suspension), Dewitt's Raditor with Dual SPAL fans and a Haibeck 170 T-Stat 11 RED/GREY CTS-V |
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11-09-2020
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#2 |
 Join Date: Aug 2015
Location: Magnolia, Texas
Posts: 884
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Re: Broke down at C.O.T.A.
You need a Tech 1 to diagnose.. there can and likely are more common failures that can cause your issue. Attached is the best I can do remotely. These are NOT common to L98/LT-1 platforms. They are unique to the LT-5.
See attached..20201109_134210.jpg20201109_134223.jpg20201109_134245.jpg20201109_134256.jpg20201109_134319.jpg20201109_134329.jpg Sent from my SM-G950U using ZR-1 Net Registry mobile app |
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11-09-2020
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#3 |
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Join Date: Aug 2015
Location: Magnolia, Texas
Posts: 884
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Re: Broke down at C.O.T.A.
Lou is absolutely correct. The LT-5 ECM and DIS are not available in the open market. You are very likely looking at an LT-1/4 remanufactured unit. Won't work.
Sent from my SM-G950U using ZR-1 Net Registry mobile app Last edited by jss06c6; 11-09-2020 at 04:34 PM. |
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11-10-2020
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#4 |
Join Date: Jul 2007
Location: Bartlett, IL
Posts: 7,168
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Re: Broke down at C.O.T.A.
Rockauto has the WRONG ECM listed for the LT5, as do many of the automotive places (Autozone, Advance, etc)
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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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12-06-2020
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#5 |
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Join Date: Apr 2018
Location: Lone Star State
Posts: 101
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Re: Broke down at C.O.T.A.
Update: Had car shipped back from Austin a couple weeks ago. Austin Corvette tried a few things including cleaning ignition module connector. Car ran ok for a few miles, afterward, but then started missing again. Decided to ship it home and see if I could sort it out on my own. I read a post that suggested re-seating the EEPROM. Removed ECU today, reseated EEPROM and re-seated ECU connectors. Took it out for a 10 mile road test and so far it's running like a champ. Will let it sit overnight and run it from a cold start tomorrow. Crossing my fingers!
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12-06-2020
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#6 |
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Join Date: Jun 2020
Location: Houston, TX
Posts: 183
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Re: Broke down at C.O.T.A.
Hope that's what it was!!
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12-07-2020
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#7 |
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Join Date: Apr 2018
Location: Lone Star State
Posts: 101
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Re: Broke down at C.O.T.A.
Well, after sitting overnight, started up this afternoon, and it's missing again.
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12-07-2020
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#8 |
 
Join Date: Jan 2006
Location: Decatur, AL
Posts: 1,141
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Re: Broke down at C.O.T.A.
Check your alternator connection - not just visually but remove and clean if you can, plus check your battery terminals and check your alternator with a DVM.
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Corvette95 Registry and Forum (*************) 1989 C4 Conv Wht/Gry Auto Hardtop Top Flight SOLD 1995 C4 Coupe Purple/Blk 6 Speed 1989 C4 Conv Wht/Red Auto SOLD 1996 C4 Conv Black/Tan Auto SOLD 1994 C4 Coupe Wht/Blk SOLD 1995 C4 ZR-1 White/Gry #278 Dual Dunn Head SOLD 1986 C4 Coupe Black/Red 4+3 SOLD 1990 C4 ZR-1 Red/Red #0454 |
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12-07-2020
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#9 | |
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Join Date: Jun 2015
Location: Texas
Posts: 529
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Re: Broke down at C.O.T.A.
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12-17-2020
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#10 |
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Join Date: Apr 2018
Location: Lone Star State
Posts: 101
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Re: Broke down at C.O.T.A.
..ECU is back from repair. Started up fine and drove it 60 miles no issues. Have a SES light, but when I check codes, I only get a Code 12. Start it up and the SES light returns?
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