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buickGN3:16

Active Member
Joined
Jun 29, 2012
Messages
755
So here are my readings since engine was put back in & these are at 180deg temps at idle in park- O2's- 500-550, af-04, L8- 29-30, bat-13.7-14.1(fan on), int-128, bl-137, ats-94, r-825-850, tps-.42(idle), iac-08, cc-18-260, nal-00, fuel pressue at (38 with vac line on). Does anything look off to ya'll?? Thanks!


Posted from the TurboBuick.Com mobile app
 
BLMS look a tad high, but not anything crazy. Check for vacuum leaks. Also, your maf appears to read a little low, but again, nothing completely abnormal.
 
The maf is 3" w/ translator, huge k&n with 4" elbow into maf, 3" to turbo. & what should my blm read? im not that familiar with the scanmaster & how to read it except for coolant temp & 02's & tps & rpm's, the rest might as well be greek lol


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In a perfect environment and the engine running perfect, BLMS should be at 128. Now +- 10 of 128 has been said to be fine, but I have seen quite a few posts and even my vehicle myself run very close to 128 almost all the time.
 
What is BLMS exactly? i dont even know what thats telling me or reading.


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Block learn management system

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Thanks pronto, i bought my sm used so i never had a manual, i will study this for sure.


Posted from the TurboBuick.Com mobile app
 
What should i look for to help lower the blm readings? How can i tune or fix that?


Posted from the TurboBuick.Com mobile app
 
So here are my readings since engine was put back in & these are at
180deg temps at idle in park-
O2's- 500-550,
af-04,
L8- 29-30,
bat-13.7-14.1(fan on),
int-128,
bl-137,
ats-94,
r-825-850,
tps-.42(idle),
iac-08,
cc-18-260,
nal-00,
fuel pressue at (38 with vac line on).

Does anything look off to ya'll?? Thanks!


Posted from the TurboBuick.Com mobile app

In open loop idle the 02's are showing a little lean. IME with a open loop idle and TT or Ext chips they are in the 600-700's range at idle.
AF is low normal more near 6-7 at idle typical.
BLM shows ECM adding some fuel typically 128 +/_ 10 is ok
IAC is low for my liking, i like it more around 20 at idle and of course it will be a lil higher in gear.
Fuel psi seems high with vac present with decent vac its usually a little lower. What is it line off?
 
43 psi line off. How do i raise the iac to where it should be?


Posted from the TurboBuick.Com mobile app
 
& it is a tt chip. is there a way to clean or calibrate the maf? i do have a translator with a 3" maf by the way


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