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Search took 0.05 seconds. Search: Posts Made By: KCF3712

Forum: EcoModding Central

10-06-2010, 12:57 PM

Replies: 6

Which O2 sensor do I replace?

Views: 16,853

Posted By mwebb

system does trim on the rear 02 sensor

you would have to look in scan data to confirm this
most cars manufatcured after 2003 DO trim on the rear 02 sensor.

you can look in the Mode 6 test results
look at the test limits and the...

Forum: EcoModding Central

10-05-2010, 04:49 PM

Replies: 6

Which O2 sensor do I replace?

Views: 16,853

Posted By gone-ot

...how "close" are you to having to having a...

...how "close" are you to having to having a required emissions test done?

...if you're close, do it now. if not, wait.

...O2-sensors can run from $60-$200, depending on what you buy,...

Forum: EcoModding Central

10-05-2010, 04:21 PM

Replies: 6

Which O2 sensor do I replace?

Views: 16,853

Posted By cfguy2000

If you aren't suffering from bad gas mileage, you...

If you aren't suffering from bad gas mileage, you are probably better off waiting until one fails then to just replace it for no reason. The cars computer does a decent job of knowing if they are...

Forum: EcoModding Central

10-05-2010, 02:38 PM

Replies: 6

Which O2 sensor do I replace?

Views: 16,853

Posted By cfg83

KCF3712 - I think that both at once are...

KCF3712 -

I think that both at once are preferable, but hypermiler01 is correct, the upstream (pre-cat) O2 sensor is more integral to closed-loop operation. Also, for your Kia Spectra, the OEM...

Forum: EcoModding Central

10-05-2010, 02:27 PM

Replies: 6

Which O2 sensor do I replace?

Views: 16,853

Posted By Daox

I've never replaced an O2 sensor I haven't had a...

I've never replaced an O2 sensor I haven't had a problem with. I know I've heard this can give you bad mileage, but how many here have replaced them earlier and seen good results?

Forum: EcoModding Central

10-05-2010, 02:21 PM

Replies: 6

Which O2 sensor do I replace?

Views: 16,853

Posted By hypermiler01

Yes, you just need the upstream sensors to...

Yes, you just need the upstream sensors to control the fuel. The downstream sensors just let you know if the cat. is working.

Forum: Instrumentation

09-19-2010, 09:46 PM

Replies: 2

Speedo reprograming

Views: 945

Posted By gone-ot

...for GM products, there's an after-market "box"...

...for GM products, there's an after-market "box" that can be connected in-line with the wheel Speed Sensor that allows you to 're-calibrate' the number of pulses per mile being sent to the ECU.
...

Forum: Instrumentation

09-19-2010, 09:44 PM

Replies: 2

Speedo reprograming

Views: 945

Posted By Weather Spotter

This might sound simple, look in the manual. If...

This might sound simple, look in the manual. If it is not there, try your favorite search engine.

I have heard of it being done, not sure you can do it.

Now if you had a ScanGauge, there is a...

Forum: Off-Topic Tech

09-16-2010, 09:33 PM

Replies: 19

Good, fuel efficient tire?

Views: 5,261

Posted By gone-ot

...guess it sorta depends upon which is more...

...guess it sorta depends upon which is more important:

A) dying with a full tank of gas

...or,

B) not-dying with an empty tank of gas?

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