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09-15-2020
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#11 |
 
Join Date: Jun 2006
Location: Sparks, NV
Posts: 2,852
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Re: New ZR-1. New Issue. Stalling Once Warm.
I have the Red Devil River Bluetooth connector. It works but can be glitchy staying connected. I hear the 1320 Electronics piece is less so.
H 
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90'ZR-1 #1461 Red/Black Ported Intake, Degreed Cams, OBX Headers & Exhaust, Fidanza FW, Secondary Delete, Custom tune, C6 GS Wheels. Sold 08 C6 Z51 Crystal Red Metallic Sold Vararam Intake, Tune, Sold 05 C6 Z51 Red/Black Sold 90'ZR-1 #1723 Black/Gray Sold but not forgotten 91' Z51 L98 White Vert. My First, you always remember your first. Sold. |
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09-15-2020
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#12 |
 Join Date: Nov 2016
Location: New Brunswick
Posts: 951
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Re: New ZR-1. New Issue. Stalling Once Warm.
1320 one ordered.
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1990 ZR-1 # 996 "All Corvettes are red. The rest are mistakes." - John Heinricy |
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09-16-2020
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#13 |
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Join Date: Nov 2016
Location: New Brunswick
Posts: 951
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Re: New ZR-1. New Issue. Stalling Once Warm.
Fuel tank emptied. Relatively clean inside, but the gas was old. Cleaned out and fresh gas put in. Still idles rough when warm, but doesn't stall anymore. A step in the right direction.
So what else happens when she gets to operating temperature?
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1990 ZR-1 # 996 "All Corvettes are red. The rest are mistakes." - John Heinricy |
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09-16-2020
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#14 |
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Join Date: Feb 2016
Location: Carterville Illinois
Posts: 847
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Re: New ZR-1. New Issue. Stalling Once Warm.
Stupid question, but have you cleaned your battery terminals? Doesn't hurt to take a wire brush to them. Your problems don't sound electrical, but you never know.
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09-16-2020
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#15 |
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Join Date: Jun 2020
Location: Houston, TX
Posts: 183
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Re: New ZR-1. New Issue. Stalling Once Warm.
Electrical resistance changes with temperature, so I agree with rush91. But everything electrical underneath the hood could be the issue, including injectors, coils, etc. I know you said the PO replaced the injectors but it may be worth checking their resistances cold and hot. Never done this myself but IIRC Marc Haibeck had written a procedure.
Edit: once it's running, the alternator would be more the culprit than the battery. |
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09-16-2020
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#16 |
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Join Date: Nov 2016
Location: New Brunswick
Posts: 951
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Re: New ZR-1. New Issue. Stalling Once Warm.
The one odd thing is that it ran ok until the first fill up. The issues started immediately after. But I'll keep checking everything!
The car has been well kept by a loving owner. I think most of the issues stem from why he sold it. That is, he just hadn't been able to drive it much over the past few years.
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1990 ZR-1 # 996 "All Corvettes are red. The rest are mistakes." - John Heinricy |
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09-16-2020
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#17 |
Join Date: Nov 2007
Location: Sunshine State
Posts: 1,071
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Re: New ZR-1. New Issue. Stalling Once Warm.
Have you put an ohm meter to the injectors yet? I know you said they were replaced, but Id still check them after warm up...
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[B]1990 #2815[/B] [COLOR="Red"][B]Red/Red[/B][/COLOR] Ported Plenum & IH (by Pete) Haibeck Chip Rebuilt FPR (by Phil) FIC Injectors Watson LT Headers 3" Stainless Works exhaust Lingenfelter Open Air Lid Bill B Built Transmission Shifter & C Beam Plates [FONT=Impact][COLOR=red]1992 [COLOR=black]#[/COLOR] 091[/COLOR][/FONT] [FONT=Impact][COLOR=#ff0000]Red/[COLOR=silver]Gray[/COLOR][/COLOR][/FONT] [B]SOLD[/B] |
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09-16-2020
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#18 | |
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Join Date: Nov 2016
Location: New Brunswick
Posts: 951
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Re: New ZR-1. New Issue. Stalling Once Warm.
Quote:
May have to look into what's involved with that. Is that a plenum off deal?
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1990 ZR-1 # 996 "All Corvettes are red. The rest are mistakes." - John Heinricy |
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09-16-2020
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#19 |
Join Date: Dec 2019
Location: st louis mo
Posts: 748
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Re: New ZR-1. New Issue. Stalling Once Warm.
Is this a 90 or 91 car? , If so injectors and ecm allways fail
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95 admiral blue z(sold)/ / 93 ruby z(sold) 91 steel blue z/95 aqua z haibeck 510, 91 callaway 415 areobody #5 |
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09-17-2020
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#20 |
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Join Date: Jun 2019
Location: WI
Posts: 131
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Re: New ZR-1. New Issue. Stalling Once Warm.
I had a car that did exactly what you describe. Injectors failing after warming up was the issue. I've been told even new replacements can fail, although I have not had that happen thus far.
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