C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

02 sensor

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Old Mar 24, 2009 | 09:12 PM
  #1  
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Default 02 sensor

Hey everyone, check engine light lit up on the way home today after havin a rough idle and running a little sluggish. Sooo, looked up the code. H44. runnin lean 02 sensor. So my question is which sensor is correct for me to buy in order to replace? I looked up a few to get some prices, but im not sure which one is best.

http://www.ecklers.com/product.asp?p...3&dept_id=1122
Ecklers has stock replacement $75

http://store.summitracing.com/partde...5&autoview=sku
Catco(never heard of it) has one for $63

http://store.summitracing.com/partde...5&autoview=sku
Bosch $57

I am just not sure which one is correct, I know ecklers would work but its more expensive and I dont know if its worth buying if there is better out there for cheaper. thanks for any input

Last edited by 5POINT7; Mar 24, 2009 at 09:12 PM. Reason: spelling
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Old Mar 24, 2009 | 09:29 PM
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I had to replace mine a while ago and went with Bosch units from the local Advance Auto. Been working fine so far
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Old Mar 24, 2009 | 09:44 PM
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Originally Posted by StealthLT4
I had to replace mine a while ago and went with Bosch units from the local Advance Auto. Been working fine so far
I always replace with Bosch units and never had a problem with them. I buy mine at O'Reilly auto parts. Quality replacement for less $$$$

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Old Mar 25, 2009 | 01:12 AM
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I have had the same problem in the past. Bosch worked just fine for me. They were about $50 at Autozone. Just for FYI A sticky EGR valve was the culprit causing the O2 sensor(s) to trip. I took it off, cleaned it really well with carb cleaner until it moved without sticking and put it back on.
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Old Mar 25, 2009 | 10:40 AM
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Originally Posted by hman1987
I have had the same problem in the past. Bosch worked just fine for me. They were about $50 at Autozone. Just for FYI A sticky EGR valve was the culprit causing the O2 sensor(s) to trip. I took it off, cleaned it really well with carb cleaner until it moved without sticking and put it back on.
a while back I was getting H32 which had to do with the egr valve. But it would come on randomly and than never again. Maybe ill take a look at the egr valve first before i buy the O2 sensors. Than again, i still wanted to replace my 02 sensors. Ill check the EGR first anyways
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Old Mar 25, 2009 | 11:52 AM
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If you havn't replaced an O2 before, get yourself a 7/8" stubby wrench. Minimal room to turn a normal sized wrench.

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Old Mar 25, 2009 | 11:54 AM
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Originally Posted by MikeC4
If you havn't replaced an O2 before, get yourself a 7/8" stubby wrench. Minimal room to turn a normal sized wrench.

just cleaned the egr valve. hopefully that will fix the issue. If not 02 sensors are my next thing. Thanks for the advice, I will def have to get one.
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Old Mar 25, 2009 | 03:29 PM
  #8  
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Default I would try

Originally Posted by 5POINT7
Hey everyone, check engine light lit up on the way home today after havin a rough idle and running a little sluggish. Sooo, looked up the code. H44. runnin lean 02 sensor. So my question is which sensor is correct for me to buy in order to replace? I looked up a few to get some prices, but im not sure which one is best.

http://www.ecklers.com/product.asp?p...3&dept_id=1122
Ecklers has stock replacement $75

http://store.summitracing.com/partde...5&autoview=sku
Catco(never heard of it) has one for $63

http://store.summitracing.com/partde...5&autoview=sku
Bosch $57

I am just not sure which one is correct, I know ecklers would work but its more expensive and I dont know if its worth buying if there is better out there for cheaper. thanks for any input
www.rockauto.com

Great selection and service
Reply
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Old Mar 26, 2009 | 11:30 AM
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Before throwing money at the problem and hoping it fixes the problem, why don't you diagnose the problem.
The FSM is great for tracking down problems.
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