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Discussion Starter #1
I swaped out my 1 wire stock O2 sender for the BOSCH P/N 13077 3 wire heated O2 sender mainly due to my full lenght headers.

To make a long story short at first the Bosch O2 sender worked fine but now with 300 miles on it it's starting to have a intermediate code 44.

Once in a while.

I read some where else that anouther C4 guy said stay awy from the Bosch brand O2 senders.

What you thinking about this.

I hate to go by anouther O2 sender again.

Is there a better made O2 than Bosch out there.
I also ned a part Number.
 

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Discussion Starter #2 (Edited)
I need to also tell you this started after I washed the motor off with engine cleaner and a good hose down.

I was thinking it was a wet conection some where but after a full day letting thing dry off after a engine run and a 40 mile drive.

I reset the computer it still has a intermediate service engine soon lite.
 
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