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The O2 sensors are not even a year old, sill could be defective.

I will check the wires first.
Can you explain a little more of what you meant.

Thanks, I will replace the O2 sensor and let you know

I have a 2005 LM7 5.3 swap in a 1999 2dr Tahoe, Truck Norris can.

Trying to dial in my VE table, about 10 min into the log one of my o2 sensors (B1S1) goes flat at around 0.465 v when the other...

Would these numbers be a good starting point.

I will have to get emissions done before I can install a wideband O2 sensor.

Hello, I am graph logging Mass Air Flow Frequency and Mass Air Flow (see Photo).

I have the Mass Air Flow Frequency Fail set to 0 but still seam to be getting readings off of it.

My question...

I believe I have the injectors figured out, Trying to do something about my idle , IAC don't seam to be responding, idles around 800 IAC reads 309 and special functions don't do anything with the...

Looking and comparing the cranking VE and they are the same as OEM.

I do see what you are saying, is this something that is tuned or just adjusted to something else?
If left as is hurt anything?...

Rechecked my fuel pressure and it is 58psi.

So I need to adjust for that and start over.

Don't know what you are describing, is it the 99s in the VE table? I have not tuned WOT yet, I need to install a wideband.

Regulator should be 58 psi, I need to check psi again.

https://www.injectorplanet.com/products/denso-195500-4581-general-motors-12580426

this www shows 29.9lb hr at 43.5 psi /3 Bar , not sure what the 3 bar is al about

I am at 45 psi

Corvette...

Hello all,
I have been tuning on my VE tables and it looks steep on what I am calling the low side.


2005 5.3, LM7, truck Norris cam, flex fuel injectors

Thanks in advance.