Diluting gasoline with any amount of ethanol will reduce power and increase consumption.
Unless the on-board computer can adjust timing and compression to compensate for the lower amount of power in ethanol.

Ya ethanol is the biggest scam since carbon credits.  So the egr valve is where on the samurai?  I think i have been mistaking it for the pcv valve.  Maybe i have over looked that part of the emissions line up.  How much would it possibly affect my gasmileage if it were bad?

I have run it in my sammie for years, It has the 16 valve in it and it likes it, there is injector cleaner and what not in it also, go buy a bottle of injector cleaner and smell it, let me know what it smells like!

It smells llike you're paying around $48.00 a gallon for diesel.

If it's truly diesel, at around $6.00 for a 16 ounce bottle and 8 bottles 128 ounces = 1 gallon) to a gallon. I'll never buy fuel injection cleaner again if all you get is 16 ounces of diesel.

Thanks for the tip!!

-Adam

Quote from: Jookycola on May 29, 2008, 07:45:00 AM

Is any of this possible from a faulty EGR system and/or bad 02 sensors?  My mileage has dropped too...yet the truck drives great.  I now know my EGR valve was stuck open so the truck ran really rich, and since i can't figure out where the tubes on it go i can't tell you yet if the new EGR fixed the problem or not.

A EGR valve that sticks open will cause the truck to run lean because it is letting more "air" into the combustion chamber. This can lead to detonation at lower speeds. The O2 sensors job is to tell the computer how much O2 is in the exhaust. That is how the computer determines how long to fire the injectors for. So if your EGR valve is stuck open the O2 sensor will read a lean mixture and tell the computer to add more fuel.
Derek

Exhaust does not contain significant amounts of O2, an EGR stuck lets hot exhaust into the cylinder, which raises the charge temp and could cause pinging, also because the exhaust doesn't support combustion it will effectively lean out the mixture also causing pinging.

Wild