View Single Post
Old 04-19-2013, 04:33 PM   #10 (permalink)
RobertISaar
Master EcoModder
 
RobertISaar's Avatar
 
Join Date: Jul 2012
Location: camden, MI
Posts: 324

MC SBX - '95 Chevrolet Monte Carlo LS
Last 3: 29.75 mpg (US)
Thanks: 7
Thanked 55 Times in 46 Posts
EGR isn't likely to be an issue or contributor for this problem.... most engines these days don't have EGR valves, instead VVT is used to change cam timing around so that when the piston starts it's downward motion for the intake stroke, the exhaust valve is left open enough to draw in exhaust gasses with the fresh air charge, essentially an internal EGR mechanism.
__________________
  Reply With Quote