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Down Stream o2???
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HHOe Offline
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Post: #1
Rolleyes Down Stream o2???
Do I need to enhance the downstream o2. Its a 4 wire after the cat. I'm starting to loose patience with this stuff. I hooked it up, but i dont know if it has any influence on fuel usage....,.Mad

2001 Chevy S-10 2.2 5 speed
22-23 before
27-33 after
06-25-2008 06:01 AM
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rwhit Offline
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Post: #2
RE: Down Stream o2???
No HHOe the down stream sensor is to tell the ECU if the CAT is going bad the Upstream controls the Fuel.

Rusty
06-25-2008 06:12 AM
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HHOe Offline
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RE: Down Stream o2???
rwhit Wrote:No HHOe the down stream sensor is to tell the ECU if the CAT is going bad the Upstream controls the Fuel.

Rusty

Thank you sir!

2001 Chevy S-10 2.2 5 speed
22-23 before
27-33 after
06-25-2008 08:07 AM
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