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10-18-2013
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#61 | |
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Join Date: Dec 2012
Location: NC
Posts: 1,786
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Re: 1990 Throttle hesistation
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Maybe too much to ask and hit the road and help me wrench a little here???
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I'm getting my snappics / threads removed blindly as fast as I can, to get in compliance with copyright / license TOS on the boards here (lots of FSM pages and other copyright / license violations on my part; sorry guys). And thanks to all the guys who didn't whine when I posted those FSM copyrighted / licensed stuff in my threads... ( :thumbsup: [b]and to think I complied with a mod's request to delete a pic of him in a Challenge Car in NCM Museum, so he wouldn't get in hot water)[/b] Thanks to several guys here for sending parts FREE; BearlyFlying, WeGone, Geezer, GoldCylon, and more there, TonyD, mike100, fletchusmc... 1990 #2794; 4L60e Stage V by RPM Transmission, TCI Dedicated TCM, OBX Stainless, Power Effects 3" [IMG]https://lh5.googleusercontent.com/-GHpfzty7DVU/UQn-0Ru2xAI/AAAAAAAAA14/08mz1p4QLD4/s445/Screenshot-5.png[/IMG] |
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10-18-2013
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#62 |
   
Join Date: May 2007
Location: Peoria, AZ
Posts: 9,155
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Re: 1990 Throttle hesistation
Lol if you were in AZ I'd bring the Tech 1 as well. Yeah NC is a little far. GC
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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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10-18-2013
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#63 |
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Join Date: May 2007
Location: Chicagoland, IL
Posts: 9,708
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Re: 1990 Throttle hesistation
If that's idle, I think your TPS VOLTAGE is too high.
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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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10-18-2013
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#64 | |
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Join Date: Dec 2012
Location: NC
Posts: 1,786
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Re: 1990 Throttle hesistation
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1.6V is where the hesitation and lope kicked in, and voltage jumped from 1.6 - 2.4, in sync with the lope. Could NOT get smooth rpm increase at that point in throttle upswing.
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I'm getting my snappics / threads removed blindly as fast as I can, to get in compliance with copyright / license TOS on the boards here (lots of FSM pages and other copyright / license violations on my part; sorry guys). And thanks to all the guys who didn't whine when I posted those FSM copyrighted / licensed stuff in my threads... ( :thumbsup: [b]and to think I complied with a mod's request to delete a pic of him in a Challenge Car in NCM Museum, so he wouldn't get in hot water)[/b] Thanks to several guys here for sending parts FREE; BearlyFlying, WeGone, Geezer, GoldCylon, and more there, TonyD, mike100, fletchusmc... 1990 #2794; 4L60e Stage V by RPM Transmission, TCI Dedicated TCM, OBX Stainless, Power Effects 3" [IMG]https://lh5.googleusercontent.com/-GHpfzty7DVU/UQn-0Ru2xAI/AAAAAAAAA14/08mz1p4QLD4/s445/Screenshot-5.png[/IMG] |
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10-19-2013
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#65 | |
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Join Date: May 2007
Location: Chicagoland, IL
Posts: 9,708
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Re: 1990 Throttle hesistation
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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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10-19-2013
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#66 | |
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Join Date: Dec 2012
Location: NC
Posts: 1,786
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Re: 1990 Throttle hesistation
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 ). If I could send the last recording I made, I think someone with DM could see something, even tho' I had some of the wrong parameters set for monitoring... If there had just been ONE CODE - even a History one...
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I'm getting my snappics / threads removed blindly as fast as I can, to get in compliance with copyright / license TOS on the boards here (lots of FSM pages and other copyright / license violations on my part; sorry guys). And thanks to all the guys who didn't whine when I posted those FSM copyrighted / licensed stuff in my threads... ( :thumbsup: [b]and to think I complied with a mod's request to delete a pic of him in a Challenge Car in NCM Museum, so he wouldn't get in hot water)[/b] Thanks to several guys here for sending parts FREE; BearlyFlying, WeGone, Geezer, GoldCylon, and more there, TonyD, mike100, fletchusmc... 1990 #2794; 4L60e Stage V by RPM Transmission, TCI Dedicated TCM, OBX Stainless, Power Effects 3" [IMG]https://lh5.googleusercontent.com/-GHpfzty7DVU/UQn-0Ru2xAI/AAAAAAAAA14/08mz1p4QLD4/s445/Screenshot-5.png[/IMG] Last edited by Schrade; 10-19-2013 at 12:36 AM. |
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10-21-2013
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#67 |
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Join Date: Dec 2012
Location: NC
Posts: 1,786
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Re: 1990 Throttle hesistation
Is there a vacuum issue potentially with the CC cover / seal? If there is vacuum there, and it's leaking, what would be the manifestations?
Hesitation perhaps???
__________________
I'm getting my snappics / threads removed blindly as fast as I can, to get in compliance with copyright / license TOS on the boards here (lots of FSM pages and other copyright / license violations on my part; sorry guys). And thanks to all the guys who didn't whine when I posted those FSM copyrighted / licensed stuff in my threads... ( :thumbsup: [b]and to think I complied with a mod's request to delete a pic of him in a Challenge Car in NCM Museum, so he wouldn't get in hot water)[/b] Thanks to several guys here for sending parts FREE; BearlyFlying, WeGone, Geezer, GoldCylon, and more there, TonyD, mike100, fletchusmc... 1990 #2794; 4L60e Stage V by RPM Transmission, TCI Dedicated TCM, OBX Stainless, Power Effects 3" [IMG]https://lh5.googleusercontent.com/-GHpfzty7DVU/UQn-0Ru2xAI/AAAAAAAAA14/08mz1p4QLD4/s445/Screenshot-5.png[/IMG] |
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12-09-2013
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#68 | |
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Join Date: Dec 2012
Location: NC
Posts: 1,786
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Re: Where has my DM log data saved to?
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I'm gonna' solve this Mother&^%$ !!! OK here; we left off of this 'Hesitation' thread @ spark plugs and wiring. That's when the Top End Re-finish work started. So spark plugs are replaced (along with a little ancillary top end housework )Next in the FSM diagnostic for 'hesitation' is the chip - see below. With Marc's chip installed, for high idle coast-down and lower temps trigger, and then his re-coded chip for secondary vacuum deletion, I can count THAT step OFF as well - CORRECT? So that takes me to TPS function test again... Quote:
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I'm getting my snappics / threads removed blindly as fast as I can, to get in compliance with copyright / license TOS on the boards here (lots of FSM pages and other copyright / license violations on my part; sorry guys). And thanks to all the guys who didn't whine when I posted those FSM copyrighted / licensed stuff in my threads... ( :thumbsup: [b]and to think I complied with a mod's request to delete a pic of him in a Challenge Car in NCM Museum, so he wouldn't get in hot water)[/b] Thanks to several guys here for sending parts FREE; BearlyFlying, WeGone, Geezer, GoldCylon, and more there, TonyD, mike100, fletchusmc... 1990 #2794; 4L60e Stage V by RPM Transmission, TCI Dedicated TCM, OBX Stainless, Power Effects 3" [IMG]https://lh5.googleusercontent.com/-GHpfzty7DVU/UQn-0Ru2xAI/AAAAAAAAA14/08mz1p4QLD4/s445/Screenshot-5.png[/IMG] Last edited by Schrade; 10-19-2014 at 11:56 AM. |
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12-10-2013
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#69 |
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Join Date: May 2007
Location: Chicagoland, IL
Posts: 9,708
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Re: 1990 Throttle hesistation
Chuck,
What happened to the high idle issue? Has that been addressed because I thought you had determined secondary blades were off? With the "hesitation" when does it happen? Just off idle? At small accelerator changes?
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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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12-10-2013
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#70 | |
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Join Date: Dec 2012
Location: NC
Posts: 1,786
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Re: 1990 Throttle hesistation
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Starting is MUCH quicker now, than before the top end cleanup began. Cleaned up electricals and contacts, and dirt removal, and injector nozzle cleanup has made a significant difference. OL and CL idle quality is flawless (can't even tell when it goes CL), and will obviously make for easier diagnosis of the hesitation issue, which has NOT changed. New vid just now (uploading to Y/T). Erratic response starts @ :26. It's hard to slowly raise throttle by hand... http://www.youtube.com/watch?v=rsKFOiNpLXk IMMEDIATELY when throttle comes off idle, it becomes erratic, until 'around' 950 rpms / ? exact TPS volts / ? exact % Throttle Opening, then it's smooth again. If I can get 'the factor' at it's critical point - that is, where the increase is pushed 'over it's response edge', it should stick out in the DataMaster histogram. I need some way of MECHANICALLY increasing the throttle, in TINY increments, to get to 'the factor's threshhold'. The idle stop screw would be perfect, but it's too difficult to access, with all the components in place... RPM Transmissions gave a listen to the buzzing TPS http://www.youtube.com/watch?v=hujg7xtlC38 and said it's normal for the Fluid Pressure Control solenoid to buzz, and probably isn't related to the hesitation coming off of idle.
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I'm getting my snappics / threads removed blindly as fast as I can, to get in compliance with copyright / license TOS on the boards here (lots of FSM pages and other copyright / license violations on my part; sorry guys). And thanks to all the guys who didn't whine when I posted those FSM copyrighted / licensed stuff in my threads... ( :thumbsup: [b]and to think I complied with a mod's request to delete a pic of him in a Challenge Car in NCM Museum, so he wouldn't get in hot water)[/b] Thanks to several guys here for sending parts FREE; BearlyFlying, WeGone, Geezer, GoldCylon, and more there, TonyD, mike100, fletchusmc... 1990 #2794; 4L60e Stage V by RPM Transmission, TCI Dedicated TCM, OBX Stainless, Power Effects 3" [IMG]https://lh5.googleusercontent.com/-GHpfzty7DVU/UQn-0Ru2xAI/AAAAAAAAA14/08mz1p4QLD4/s445/Screenshot-5.png[/IMG] Last edited by Schrade; 12-10-2013 at 04:36 PM. |
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Linear Mode
