Air Fuel Ratio Gauge Problems.. - Performance Forum

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Air Fuel Ratio Gauge Problems..
Monday, July 18, 2005 4:20 PM
hey I was just wondering if anyone has had any problems with an A/F Ratio gauge actually its not really the gauge its the message being sent to the computer I think. I hooked mine up last week and at first the when the car is warming up its fine in open loop mode but as soon as the the sensor heats up and my car is warm and in closed loop it spits and sputters and I think it is signalling to the computer that it is very rich cause the exhaust tone dies and you can hear the intake taking in its last breaths loudly before it cuts out like a hissing sound... well it used to do it all the time in closed loop mode but now I moved the position of where the gauge ratio sending wire is and siliconed up the wire and now it only does it as soon as it gets into closed loop or when the sensor is up to temp so when Im driving and that happens I have to floor it for it to run. It will do it for either 30 seconds and up to maybe 2mins rare that it will last that long but I dont like it either way any suggestions or info is appreciated thanks.

96 Z24 non heated o2sensor

Re: Air Fuel Ratio Gauge Problems..
Monday, July 18, 2005 6:31 PM
Did you solder the connection? Could also be somthing other than your gauge. Mine was misfiring and i changed out plugs and wires and she runs like a champ now.



Re: Air Fuel Ratio Gauge Problems..
Monday, July 18, 2005 9:40 PM
your o2 sensor is baaaaaaaaaaad.




I was a retard, and now I'm permanently banned.
Re: Air Fuel Ratio Gauge Problems..
Monday, July 18, 2005 9:55 PM
so far that has happened with 6 of the 8 or so cars I have seen a O2 gauge in lately....... they complain of stuttering and stalling as soon as the car warms up.

Unhook the gauge, problems go away. Even tried brand new O2 sensors, Bosch and AC/Delco.

Not sure why its happening.... didnt happen with my '02....... but my buddies 98, another 98, a 99, a couple '01's......... all the same problem




SPD RCR Z - '02 Z24 420whp
SLO GOAT - '04 GTO 305whp
W41 BOI - '78 Buick Opel Isuzu W41 Swap

Re: Air Fuel Ratio Gauge Problems..
Monday, July 18, 2005 10:24 PM
I have a 2k-fire, and have had my Air/Fuel gauge in for 2years now with no issue's,must not effect a cars.


Friends Don't Let Friends Drive Stock!!!!!
Re: Air Fuel Ratio Gauge Problems..
Tuesday, July 19, 2005 4:41 PM
where did you guys hook up the signal wire to? in between the conecter and sensor or in between the conecter and computer?
Re: Air Fuel Ratio Gauge Problems..
Tuesday, July 19, 2005 4:44 PM
I had the same problem a long time ago.The ground wire for the gauge was loose and made the car run like crap.Check your ground wire.


Peter
'06 Cobalt ss/sc W/G85 Package
Gm Stage II W/2.79" Pulley
K&N Drop In Filter
Custom Magnaflow Dual Exhaust

Re: Air Fuel Ratio Gauge Problems..
Tuesday, July 19, 2005 5:03 PM
where exactly are you all hooking the guage up at?



Re: Air Fuel Ratio Gauge Problems..
Wednesday, July 20, 2005 8:36 AM
Chris Clifford wrote:where did you guys hook up the signal wire to? in between the conecter and sensor or in between the conecter and computer?


you splice in between the connector and the computer so if you change out your o2 sensor, you don't have to do any rewiring other than unclip, install new sensor, clip back in.




I was a retard, and now I'm permanently banned.
Re: Air Fuel Ratio Gauge Problems..
Wednesday, July 20, 2005 4:35 PM
Spotabee Racing wrote:
Chris Clifford wrote:where did you guys hook up the signal wire to? in between the conecter and sensor or in between the conecter and computer?


you splice in between the connector and the computer so if you change out your o2 sensor, you don't have to do any rewiring other than unclip, install new sensor, clip back in.


exactly....

i know i;ve posted this 1000 times.... lets make it 1001

<img src="http://tiger.towson.edu/~apittm1/o2.JPG">



Re: Air Fuel Ratio Gauge Problems..
Thursday, July 21, 2005 4:40 AM
I have heard of people having this problem if the connection is not right. I have that gauge, I have had no problem, becuase of the guage, but my sensor has went bad, and not needs replaced.



FU Tuning




Re: Air Fuel Ratio Gauge Problems..
Thursday, July 21, 2005 10:17 PM
SpeedRacerZ wrote:so far that has happened with 6 of the 8 or so cars I have seen a O2 gauge in lately....... they complain of stuttering and stalling as soon as the car warms up.

Unhook the gauge, problems go away. Even tried brand new O2 sensors, Bosch and AC/Delco.

Not sure why its happening.... didnt happen with my '02....... but my buddies 98, another 98, a 99, a couple '01's......... all the same problem



i had the same problem in my 96 2.2, YES I DID DO LIKE THE DIAGRAM SHOWS and it STILL DO THE SAME CRAP! my solution was "REMOVE IT"! and presto! problem instantly solved!




the reason for good sticky tires!

719 Customs - Coming soon to a SoCo Area!
[A.K.A. Seven One Nine Customs] (no its not a car club)
Re: Air Fuel Ratio Gauge Problems..
Friday, July 22, 2005 12:03 AM
i installed mine right by the header... spliced it in... i have a 98 sunfire and have never had a single problem with it.


-----------------------------------------------------

98' Pontiac Sunfire SE

Re: Air Fuel Ratio Gauge Problems..
Friday, July 22, 2005 11:11 AM
I too installed mine the way the diagram says

I got the coughing sputtering, I even got backfiring happening!!

the son of a bitch is on her 3rd o2 sensor and still occasionally sputters.

Once this NTK o2 sensor gives out, I'm going for an AC Delco.

Perhaps that will solve my problem once and for all.

Stupid a/f gauge, you suck


<a href="http://www.cardomain.com/id/fireside"><img src="http://www.influx.ca/avatars/stevefiresig.jpg"></a>
Re: Air Fuel Ratio Gauge Problems..
Friday, July 22, 2005 1:26 PM
im using a summit gauge.. and i butt connected it inline with that purple wire... like i said, ive never had a problem


-----------------------------------------------------

98' Pontiac Sunfire SE

Re: Air Fuel Ratio Gauge Problems..
Friday, July 22, 2005 1:45 PM
I know event I have seen this posted quite a bit like where to put it but I never have heard of it making the car run @!#$ty so I just wanted to know if they where related-the car running @!#$ty and where it is. but I think im gunna redew my ground hopfully that solves it.
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