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#11 |
![]() Join Date: Jun 2006
Location: Sparks, NV
Posts: 2,852
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You may still be experiencing the same basic problem, water in the ECM connectors. I would carefully remove each connector and blow them out with compressed air. Is the connector cover still in place?
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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#12 |
Join Date: May 2018
Location: Nanaimo BC
Posts: 61
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Is the cover the thing velcroed to the top ? Then yes. I removed the connectors once. I didn't blow air on them as I didn't seem to see any moisture. They were smeared with dielectric grease from some previous owner. I just left that on, maybe I should try cleaning that?
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#13 |
![]() Join Date: Jun 2006
Location: Sparks, NV
Posts: 2,852
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That new ECM 41 code also indicates the memcal prom may not be seated properly. Double check that. Almost seams like water may have gotten into the ECM. You didn’t pressure wash or something like that? Leave the dielectric grease, if anything add more. This is a strange one.
H ![]()
__________________
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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#14 |
Join Date: May 2018
Location: Nanaimo BC
Posts: 61
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No pressure wash, but I was spraying parts of the engine, perposely avoiding the ECM. I guess not careful enough. Cleaned again and now just have the one ECM code 41.
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#15 |
![]() Join Date: Dec 2007
Location: NYC
Posts: 1,186
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90 Chevy ZR1 LPE #2315 'SOLD' 90 Chevy ZR1 LPE #2774 'SOLD' 91 Chevy ZR1 Callaway aerobody 91 Chevy ZR1 #1512 91 Chevy ZR1 #951 95 Chevy ZR1 #338 'SOLD' 91 BMW 850i 94 BMW 850csi 95 BMW 850csi 94 Lotus Esprit S4 07 Benz CLS550 06 BMW M5 "SOLD" |
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#16 | |
![]() Join Date: Jun 2006
Location: Sparks, NV
Posts: 2,852
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H ![]()
__________________
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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#17 |
Join Date: May 2018
Location: Nanaimo BC
Posts: 61
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I’ll have to try again tomorrow.
Ever hear of these guys? ![]() Sent from my iPhone using Tapatalk
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1990 Red/Saddle #1521 |
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#18 |
![]() Join Date: Jun 2006
Location: Sparks, NV
Posts: 2,852
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Nope, but back in the day there were dozens of tuners. If you have the original, try putting that in temporarily and see if that changes anything.
H ![]()
__________________
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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#19 |
![]() Join Date: Dec 2007
Location: NYC
Posts: 1,186
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__________________
90 Chevy ZR1 LPE #2315 'SOLD' 90 Chevy ZR1 LPE #2774 'SOLD' 91 Chevy ZR1 Callaway aerobody 91 Chevy ZR1 #1512 91 Chevy ZR1 #951 95 Chevy ZR1 #338 'SOLD' 91 BMW 850i 94 BMW 850csi 95 BMW 850csi 94 Lotus Esprit S4 07 Benz CLS550 06 BMW M5 "SOLD" |
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#20 | |
Join Date: May 2018
Location: Nanaimo BC
Posts: 61
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That’s rich. I wish I had the original. There’s a sticker on the other side which might be a date. 1995 ![]() Sent from my iPhone using Tapatalk
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1990 Red/Saddle #1521 |
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