Search:

Yea thats right
e10 and 14.2 is not a typo.


I keep running to this thread everyday hoping some pro swooped in with an answer for me...

Someone suggested O2 sensor fuse ? Gonna look for...

bump anyone

3.4 set up on l67 sueprcharged...

MAF O2 sensor and WIDEBAND are NEW
Open Loop afr is 11.3-11.5 which is what I want

Closed loop on light accel heavy accel and decel are afr is NUTS....
My...

not sure about your specific error but i will say when u download a tune it is usually for a car you ahve not unlocked and because of the vin difference you will not be able to flash it to another...

Damn a whole week and no one has advice.. How do I get a guru to notice this and help me out... I dotn want to spam every topic.

I have been replacing sensors left and right it has to be smoething...

I am gonna play with some of these methods on my next tune.... I am wondering if it pays to turn off learn mode once the car is dialed in?

Thats just it..
I tested wideband and know it is working..
When I am in open loop it works perfect.

Closed loop I bounce all over like it is a narrowband
10.0, 14.2, 12.5 18.0 16.2 11.0 all in...

A few times now it seems to be hovering at 10.1 - 10.3
but my trims are within +-4 of 0 and I am commanding 14.2 WTF

I recently replaced maf which took a dump and I have a new O2 coming in the...

Ok good sounds like you made some decisions, just to fill me in what are your current mods?

I have to ask are you done with air and fuel tuning? if not you shouldnt be doing spark cause you will...

Um your all over the place...
Finish your immediate modding, then choose one fuel to tune with.

Once said fuel is chosen you can adjust stoich and begine tuning, with a stock computer file not a...

Ok so I need help...

I did a gasoline rag test and called AEM, my wideband is in the right mode and is operating correctly...
The problem is in my tune or mechanical....

I dont think...

It is not operating normally... it is bouncing from 10.0 afr to 15.0 afr every 0.1 seconds while cruising or idling with no pattern or regularness.

@ Carl I didnt realize there are different modes...

I just installed a new 0 mile aem uego wideband...
Weld has no exhaust leak.

When I cruise the needle jumps from full rich to full lean non stop. It oscilates as fast as a narrowband would...
My...

We purchased two credits so that we can tune this evening on a new vehicle and so far it has not emailed us our new key.

Is there a hold up for some reason usually it happens instantly.

Thanks

I am helping a friend tune a Turbo Regal 3.8
He just recently upgraded his stock maf to an LS1 maf. What needs to be changed.

I thought we would just maf tune like normal maf tuning, but someone...

I am helping a friend tune his 3.8 Turbo Regal, and he just went to 60# injectors.
Can anyone share with me the Flow rate vs KPA chart for 60#s.

Thanks

Off topic but similiar what about an HPT license plate frame?

What if I dont have a GPS ?

I know how to read em and the plugs look awesome!

It shouldnt are you sure that is all you did?
If you had a lean error and now the car wont start you might want to make sure your ok mechanically before you blame the pcm.

In the meantime this...

There are tons of writeups on tuning for POWER and speed

What if you have a duramax truck or something and you want to tune for fuel economy? anyone have a writeup on that

Can anoyone suggest a write up for adjusting the speedometer for larger tires on a trucj or dif gears for racing.

The speedometer menu talks about tire gear calculated tire and calculated gear...

Well I do NOT have the money for a wideband so can you suggest a better non wideband approach,. I dont think you can in which case I have to do it this way. I have tuned 3 or 4 cars this way so far...

My O2 mv are a nice 935 - 940
The car is also running like a champ with absolutely no KR

Once in PE my 02s look great, my comp must be doin a good job compensating cause I have 18* timing on a small pulley and ZERO kr.

How do you know where on the curve you enter PE?
lets say my PE...