2.0L LSJ Performance Tech 205hp Supercharged SS tuner version. 200 lb-ft of torque.

MAFT Question

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Old Jun 10, 2006 | 06:57 AM
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cybcow's Avatar
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From: Livonia, Michigan
MAFT Question

When reading my aeroforce gauge O2 sensor voltage should I just do WOT in neutral and let it bounce off the rev limiter to see my highest value? I noticed I'm running a little rich as the exhaust is slightly black.

And otherwise I can't find the post where the maft directions are posted so I can change my settings accordingly. (not at home so I don't have my manual).

Any help is appreciated, thanks.
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Old Jun 10, 2006 | 09:38 AM
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Bump.

Last edited by cybcow; Jun 10, 2006 at 10:04 AM.
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Old Jun 10, 2006 | 12:09 PM
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From: Livonia, Michigan
Anyone?
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Old Jun 10, 2006 | 01:35 PM
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From: No where man
That wont help you much during Power Enrichment (eg @ WOT)
For road loads it would be better to log your LTFT values.
+ numbers indicate the system is having to enrichen your mixtures to correct for an indicated LEAN condition
- numbers indicate the system is having to lean out your mixtures to correct for an indicated RICH condition

All the factory narrow-band O2 voltages can really tell you is that you're RICHER or LEANER than 14.7:1
Despite a lot of speculation out there, the actual O2 voltages achieved cannot really indicate HOW RICH or HOW LEAN you are.
If you're tuning with HPT (or a MAFT) you ideally should be using a wide-band setup
HTH
WOT
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