Scanmaster readings

[buickGN3:16]

02's - 530-550, AF- 04, LB- 29-31, BAT- 13.8-14.2, INT- 128, BL- 142, CLT- 162, ATS- 66, RPM- 775-825, TPS- .42, IAC- 07, fuel press- 38 line on, This is @ 39deg outside temp.. Anyone see anything too far out of the norm? i realize my BL is a little high & these readings were taken at 160ish engine temp at idle as u see in the readings! Thanks in advance


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[626gn]

BLM's are a touch outside the +/- 10 range. Not a huge deal as its still within the correction range of the ECM but you should check for air leaks, vacuum leaks, cracked header, plugged fuel filter, PCV, etc, etc.

 

[Wahoo]

Air temp sensor says 66? But you said its 39 degrees out, I don't know if thats a problem.

 

[buickGN3:16]

yep, kinda weird huh? I figured its picking up some engine bay heat but i dunno if thats possible


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[buickGN3:16]

BLM's are a touch outside the +/- 10 range. Not a huge deal as its still within the correction range of the ECM but you should check for air leaks, vacuum leaks, cracked header, plugged fuel filter, PCV, etc, etc.

i have no header cracks but i did notice that someone drilled a very small hole in the side of the flange that bolts to the back of the turbo " previous header owner im guessing" who knows why,, & i havent welded it up yet! they are stock headers in very nice shape.


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[1KWIKSIX]

02's - 530-550, AF- 04, LB- 29-31, BAT- 13.8-14.2, INT- 128, BL- 142, CLT- 162, ATS- 66, RPM- 775-825, TPS- .42, IAC- 07, fuel press- 38 line on, This is @ 39deg outside temp.. Anyone see anything too far out of the norm? i realize my BL is a little high & these readings were taken at 160ish engine temp at idle as u see in the readings! Thanks in advance


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Plug up that small hole first & foremost.
o2's are low & BLM's are high & IAC is a bit too low.....

I'd suggest you check for and address any pre turbo vacuum leaks first & all your vacuum line /PCV hoses & connections first, then adjust IAC closer to 20. Your ECM is adding fuel to addess a lean condition.....You may need to add some fuel to bring down BLMs to address this. If that doesn't work, next I'd look at throwing a new Denso O2 sensor in to see if this will fix the low 02 issue.
Just me 2cents.

 

[buickGN3:16]

While driving tonight my BL was between 119 - 122 @ 55mph & my ATS was 36 with the outside air temp at 34 tonight but ATS does slowly climb into the 60's as i idle some. Drove about 25miles or so total


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[Razor]

What MAF are you using?

 

[buickGN3:16]

3" chevy but i dont know which one, its aluminum! is there a # on it that will tell me what ive got?


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[Bescurred]

The maf is a LT1

 

[buickGN3:16]

The maf is a LT1
Thats what i thought but i wasnt sure & i was actually told one time it was from a 06 gto but i agree its LT1. Still running both screens as well, thanks


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[buickGN3:16]

i am running a k&n cone filter with the end cap cut off & a screen over the hole if that would make any readings off!?


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[Bescurred]

Do you have a picture? If there is unfiltered air I would think that's not a good practice...especially on a regularly driven car.

 

[buickGN3:16]

Yeah ill post one up. its unfiltered but it does have a very fine trash screen just on the end cap


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[Bescurred]

I don't think that would throw off your readings but I wouldn't want unfiltered air going through my intake system then the combustion camber.

 

[buickGN3:16]

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[earlbrown]

That just completely negated the filter.

 

[buickGN3:16]

Lol


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[buickGN3:16]

Would anyone else run this filter like this?

 

[Bescurred]

Nope...