Computer Diagnostics and Tuning Technical discussion on diagnostics and programming of the F-body computers

BLM's at idel.. Need some help.

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Old Jan 28, 2008 | 07:45 PM
  #1  
hotrod18_69's Avatar
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BLM's at idel.. Need some help.

BLM's are way off at idel. Anyway i can fix this. I have tuner cats.

Bank 1 133
Bank 2 149

New to the tuning world. Looking for some good advice and some good reading if anyone is willing to share..
Brad
Old Jan 29, 2008 | 08:06 AM
  #2  
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Split BLM's with a cam like the 306 aren't unusual. An aftermarket throttle body can also add to the problem, but I don't see an aftermarket TB listed on your website mod's list.

What do the BLM's look like in the other cells? That will tell you if the problem only exists at idle (split BLM's), or if it carries on through low, medium and high load cells (faulty sensors, exhaust leaks, misfires, etc.).
Old Jan 31, 2008 | 09:32 AM
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hotrod18_69's Avatar
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I'll run a data log tonight Fred and post back..
Thanks
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