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nemesis · 07-19-2009, 09:39 AM

check for vacuum leaks and evap system, either one will cause similar problems that you are seeing. One more thing, do you have an exhaust leak by any chance? that would do it too, even the smallest one.

07-19-2009, 09:39 AM	#13 (permalink)
nemesis EcoModding Apprentice Join Date: Jun 2009 Location: stl Posts: 139 rusty - '00 ford mustang coupe 90 day: 24.31 mpg (US) cbr929 - '00 honda cbr929 fast 90 day: 39.54 mpg (US) Porshe - '06 Kawasaki zx10r 90 day: 47.21 mpg (US) truck - '96 ford ranger 90 day: 26.51 mpg (US) Thanks: 5 Thanked 11 Times in 8 Posts	check for vacuum leaks and evap system, either one will cause similar problems that you are seeing. One more thing, do you have an exhaust leak by any chance? that would do it too, even the smallest one.