When is a heated 02 sensor necessary ?

[ae2598 at wayne.edu]

If you suspect you need a new O2 sensor anyway, would there be any reason
other than the obvious (more $$, another pair of wires to connect) NOT to
use a heated sensor?  It seems as though this would help any motor go
closed-loop quicker, improving economy and performance.

 On Wed, 1 Nov 2000, Edmond wrote:

> Hey guys. I just wanted to ask this question to get some opinions. It looks like I might have to get one. I installed Edelbrock headers on my L98 engine and the brand new 02 sensor I put in, swings from like 54mV to almost 900mV at idle. I even got a "low 02" error code once from the ECM. Would a heated 02 sensor help alleviate this ? Is one necessary when putting headers on ?
> 
> 
> 


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