Air Fuel Ratio Gauge

Onyx · 03-28-2004, 06:44 PM

I installed the violet Air Fuel Ratio Gauge wire to the B17 O2 sensor signal wire and the gauge reads rich all the time. Does this mean i have a bad 02 sensor or is it the gauge?

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Uncle Scotty · 03-28-2004, 09:45 PM

It means that AF gauges in our cars are completely useless UNLESS you also install a wideband o2 sensor to go with it.
The stock o2 sensors are not wideband.

So....

Onyx · 03-29-2004, 02:38 PM

Where do i get a wideband o2 sensor

Uncle Scotty · 03-29-2004, 05:29 PM

To get a proper system that can be used for tuning...which is a REALLY good thing to have....and ditch the bling gauge...which is useless for tuning.....you can expect to pay ~$350 and up.

There are several good ones available.

QfactorRS · 03-29-2004, 07:08 PM

wait so that leads to question this:

-the defi D-gauges? are they worth it? will they work at all?

i would just like a somewhat accurate to tell me how rich i run at idle through mid throttle.

Q

Uncle Scotty · 03-30-2004, 12:22 AM

There is NO gauge that connects to the stock, factory o2 sensors that is anything more than a useless toy, AFAIK.

Defi gauges rock....skip the AF one, though....

03-28-2004, 06:44 PM	#1
Onyx Scooby Newbie Member#: 35474 Join Date: Apr 2003	Air Fuel Ratio Gauge I installed the violet Air Fuel Ratio Gauge wire to the B17 O2 sensor signal wire and the gauge reads rich all the time. Does this mean i have a bad 02 sensor or is it the gauge? * Registered users of the site do not see these ads.

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03-28-2004, 09:45 PM	#2
Uncle Scotty NASIOC Supporter Member#: 16200 Join Date: Mar 2002 Vehicle: OK Houston we have an Uncle	It means that AF gauges in our cars are completely useless UNLESS you also install a wideband o2 sensor to go with it. The stock o2 sensors are not wideband. So....

03-29-2004, 02:38 PM	#3
Onyx Scooby Newbie Member#: 35474 Join Date: Apr 2003	Where do i get a wideband o2 sensor

03-29-2004, 05:29 PM	#4
Uncle Scotty NASIOC Supporter Member#: 16200 Join Date: Mar 2002 Vehicle: OK Houston we have an Uncle	To get a proper system that can be used for tuning...which is a REALLY good thing to have....and ditch the bling gauge...which is useless for tuning.....you can expect to pay ~$350 and up. There are several good ones available.

03-29-2004, 07:08 PM	#5
QfactorRS Scooby Specialist Member#: 30495 Join Date: Nov 2002 Chapter/Region: NESIC Location: RMV timeouts, Boston	wait so that leads to question this: -the defi D-gauges? are they worth it? will they work at all? i would just like a somewhat accurate to tell me how rich i run at idle through mid throttle. Q

03-30-2004, 12:22 AM	#6
Uncle Scotty NASIOC Supporter Member#: 16200 Join Date: Mar 2002 Vehicle: OK Houston we have an Uncle	There is NO gauge that connects to the stock, factory o2 sensors that is anything more than a useless toy, AFAIK. Defi gauges rock....skip the AF one, though....