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4 Days Ago
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#1 |
 
Join Date: Mar 2008
Location: Auburn, KY
Posts: 562
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Looking for Oxygen sensors for my engine
I was having problems with my 93 ZR-1 and I pulled the codes and it turns out to be the O2 sensors. What does anyone use for O2 sensors? Thanks.
Roy
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Roy L. Carman If I feel the need for speed, I just think about flying the B-777.  1989 Dk Blue Coupe lost in divorce 1991 Black Coupe SOLD 1992 Black ZR-1 #423 SOLD! 1993 Ruby Red 40th Anniversary ZR-1 #334 1995 Black ZR-1 taken by ex-wife 2002 Pewter Coupe no idea where it is 2003 50th Anniversary Corvette #No idea what number SOLD! ZR-1 Net Registry #516 Grand Sport Lifetime Member NCM Lifetime #1468 |
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4 Days Ago
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#2 |
 
Join Date: Sep 2008
Location: Speedway, IN
Posts: 140
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Re: Looking for Oxygen sensors for my engine
My preference is the Bosch like the originals. As I have headers I did upgrade to the externally grounded type, one more wire than stock, going to frame.
Sent from my iPhone using ZR-1 Net Registry |
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4 Days Ago
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#3 |
 
Join Date: Aug 2009
Location: South Dakota/California
Posts: 3,816
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Re: Looking for Oxygen sensors for my engine
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Clickable links  On Iphone Touchable Links -Solutions- LT5 Modifications/Rebuild Tricks Low Mileage ZR-1 Restoration 1990 Corvette (L98) Modifications LT5 Eliminated Systems LT5 Added Systems LT5/ZR-1 Fluids 1995 LT5 SPECIFIC TOP END REBUILD TRICKS |
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4 Days Ago
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#4 |
 
Join Date: Sep 2016
Location: Ocala, FL
Posts: 901
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Re: Looking for Oxygen sensors for my engine
I installed Bosch 13077 45k mikes ago. Solved all the codes then. 21 dollars each on Amazon.
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Steve Young 1991 ZR-1 Quasar Blue Metallic/Black #729 Second Owner 1991 ZR-1 Dark Red Metallic/Black #2040 SOLD 1990 ZR-1 Dark Red Metallic/Saddle #1670 SOLD Double your happiness.....complain half as much. |
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4 Days Ago
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#5 |
 
Join Date: Jul 2007
Location: Bartlett, IL
Posts: 7,163
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Re: Looking for Oxygen sensors for my engine
I am using NGK/NTK 21003 with no issues
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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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3 Days Ago
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#6 |
 
Join Date: Apr 2007
Location: Northern VA
Posts: 2,651
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Re: Looking for Oxygen sensors for my engine
Also use the NTK 21003 O2 sensors with good results.
Their pigtails are longer which works better with headers. Sent from my iPhone using ZR-1 Net Registry
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Phil Wasinger 1994 Torch Red ZR-1 WAZOO Member George Braml Intake |
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3 Days Ago
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#7 |
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Join Date: Apr 2007
Location: Northern VA
Posts: 2,651
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Re: Looking for Oxygen sensors for my engine
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Phil Wasinger 1994 Torch Red ZR-1 WAZOO Member George Braml Intake |
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2 Days Ago
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#8 |
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Join Date: May 2007
Location: Chicagoland, IL
Posts: 9,686
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Re: Looking for Oxygen sensors for my engine
I use AC/Delco O2s when I can find them. Haven?t tried Denso and have found that Bosch O2s have a tendency to drop signal intermittently resulting in ECM using Open Loop at times.
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2 Days Ago
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#9 |
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Join Date: Mar 2008
Location: Auburn, KY
Posts: 562
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Re: Looking for Oxygen sensors for my engine
Thank you for the responses. I contacted Marc Haibeck and he told me to get Bosch 13077 sensors for my LT5. Just waiting for a time to install then and see how that works. I suspect that these are the original sensors since they have the short pigtails. Thank you.
Roy
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Roy L. Carman If I feel the need for speed, I just think about flying the B-777. 1989 Dk Blue Coupe lost in divorce 1991 Black Coupe SOLD 1992 Black ZR-1 #423 SOLD! 1993 Ruby Red 40th Anniversary ZR-1 #334 1995 Black ZR-1 taken by ex-wife 2002 Pewter Coupe no idea where it is 2003 50th Anniversary Corvette #No idea what number SOLD! ZR-1 Net Registry #516 Grand Sport Lifetime Member NCM Lifetime #1468 |
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1 Day Ago
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#10 |
Join Date: Jul 2017
Location: West Chester, PA
Posts: 412
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Re: Looking for Oxygen sensors for my engine
About to install Denso sensors, we'll see how it goes.
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1990 Black/Black ZR-1 #1155 1993 White/Red coupe (Regrettably sold) 
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