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04-20-2012
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#1 |
 Join Date: Jan 2007
Location: Florida
Posts: 241
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SES light
I had my '92 modded a couple of years ago by a known tuner but I wasn't real happy with some of the results, (rough idle and backfire) so I had Haibeck retune an extra e-prom I had for me to see if I got different results. The mods were;
Ported heads, injector housings and plenum SW headers no cats Corsa exaust 3:92 gears Reset cams and I added K& N filter Relocated temp sensor The Idle is smooth and the backfire is gone but with a hard shift above 6k I get a momentary SES light. Using Gordan's kit I could not find any stored codes, Marc set fuel scheduling for 410/420hp. Any ideas? |
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04-20-2012
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#2 |
 
Join Date: Jun 2005
Location: pittsburgh
Posts: 4,632
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Re: SES light
vac leak
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It's not the car, it's the people - Doug Johnson 90 r/r "KEYS ON" nick named "T.L.B" |
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04-20-2012
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#3 |
Join Date: Dec 2004
Location: Jacksonville, FL USA
Posts: 4,645
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Re: SES light
It could be you are running out of vacuum and it's setting a DTC 61 intermittently ?? You said hard run to 6+k rpms, and that would be where the manifold vac drops almost to zero and in theory our vacuum pump is supposed to pick up any shortage of vacuum in the system to keep the 2* actuators pulling on the 2* linkage.
Not to be a wise guy, did you use the Gordon jumper for the CCM? I think that's where the history codes and intermittent codes are stored....I think!   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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04-20-2012
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#4 |
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Join Date: Jan 2007
Location: Florida
Posts: 241
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Re: SES light
I tried them all, ECM, CCM etc; nothing. If it is a vacuum leak I wonder why it didn't show up with the other e-prom? But, I'll check all the vacuum lines.
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04-20-2012
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#5 |
  
Join Date: May 2007
Location: Peoria, AZ
Posts: 9,155
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Re: SES light
My guess would be a lazy secondary vaccumm actuator under the plenum. One of the pair
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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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04-20-2012
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#6 | |
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Join Date: May 2007
Location: Chicagoland, IL
Posts: 9,708
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Re: SES light
Quote:
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[SIGPIC][/SIGPIC]Former Membership Chairman Former ZR-1 Registry - BOD 1972 Corvette 4speed base Coupe SOLD long time ago 1984 Corvette Z-51/4+3 SOLD 1992 Corvette ZR-1 Aqua/Gray #474 SOLD 1992 Corvette ZR-1 Black Rose/Cognac #458 2014 Honda VFR Interceptor DX |
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04-24-2012
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#7 | |
 
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: SES light
Quote:
Dom, we're starting to think alike...AND DON'T THINK I'M NOT WORRIED!!  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 Last edited by Paul Workman; 04-24-2012 at 04:07 PM. |
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04-24-2012
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#8 | |
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Join Date: May 2007
Location: Chicagoland, IL
Posts: 9,708
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Re: SES light
Quote:
__________________
[SIGPIC][/SIGPIC]Former Membership Chairman Former ZR-1 Registry - BOD 1972 Corvette 4speed base Coupe SOLD long time ago 1984 Corvette Z-51/4+3 SOLD 1992 Corvette ZR-1 Aqua/Gray #474 SOLD 1992 Corvette ZR-1 Black Rose/Cognac #458 2014 Honda VFR Interceptor DX |
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Linear Mode
