Thread: strange surge
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Old 06-27-2013   #14
mgbrv8
 
Join Date: Jul 2009
Location: Texas
Posts: 790
Default Re: strange surge

Yes I did.

Dave

Quote:
Originally Posted by XfireZ51 View Post
Did you remove TB when you cleaned it? If you have a scantool, check the TPS v
with Ignition ON. Surging of the LT-5 is common when idling down in neutral and slowing down. This can be mitigated by flattening the Spark and VE tables in the
"Idling zone". I also change the IAC setting so the idle stays a bit high until it reaches Idle MPH. First thing is to determine there are no technical issues. I would look at the IAC counts at idle. Maybe MIN AIR needs adjusting.
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