1996 Honda Odyssey exhust white smoke and bruning rich

Hi harriosn_wang777,

Does the Check Engine Light indicates while running?
Have you tried to retrieve for trouble codes?
What have been done so far?

intaken minfold ajustment o2 sensor oil change intaken cleaning
fuel system theatment carbon cleaning vavles and egr vavle cleaning and fuel pressuse change fuel filter

no troble codes
been trying to think what the problem

How do you know it is running rich?

i had a guy come over and cheacked all of the fuel and ecu and still is runing to rich on dnoyo run
we had change the ecu not to long ago the other one fired on us while driveing on free way

[quote="harriosn_wang777@yahoo.co"]i had a guy come over and cheacked all of the fuel and ecu and still is runing to rich on dnoyo run
we had change the ecu not to long ago the other one fired on us while driveing on free way and i have a friend that work fro a smog shop

Let me have the data of the dyno test.