Ando55

Hey guys, I used a diagnostic reader on my 2001 ES300; 161,000 miles and pulled a code of P0446: EVAP Emission System Circuit malfunction, I believe that has to be with Vacuum Control Valve along with the Vapor Pressure VSV and the charcoal canister. The car is only averaging 17.3mpg combined mostly highly and a little city driving every day, when started up cold it idles very high jumping to 1800rpm and drops to 1500rpm and slowly works its way down to 800rpm or so in a matter or 5-8 mins, I'm thinking it's tuneup time for the car, or should I look into cleanin out carbon? The car was maintained quite well by the dealer I purchased it at(Massapequa)

I won't rule that suggestion out! I ran the diagnostic tool to find out the error code that caused the CE light to be on, Code P0446: EVAP Emission System Circuit malfunction, I believe that has to be with Vacuum Control Valve along with the Vapor Pressure VSV and the charcoal canister. I'll take a look into my 02 as well, and the basics(filter and plugs) 17.3mpg mostly highway isn't cutting it at all.. :(

I just filled the tank 13.579 gallons of gas, and went 233.8 miles on the trip when I filled the tank last time, doing the math: 233.8/13.579 gallons of gas used got me 17.232 mpg on average which is terrbile =[, I'll definitely have to look into the 02 sensor on the car and the C/E light is on.

are you takin the number of mile / by the number of gallons u put in the tank (not the tank size) u will never use 18.5 gallons out of your tank period. i saw a drop in mpg about 6 months before my o2 sensor poped up a c/e light i couldnt get over 23 mpg drving it the easist i could. around here i get approx 100 miles every quarter, lots of mountains and i drive alittle hard, i stil get about 21ish 22, on trips i i have hit 400+ mile and be no where near the low fuel light and got 30ish mpg Well from what I have right now, I did 225 miles on 3/4 tank of gas I know that's plain horrible unless the gas guage is reading bad, my c/e light is on actually and when i read it via computer diagnostics I get the fuel door error, I'll fill up the tank today and see how many gallons I put in, then I'll know exactly how much I used and then divide by the distance the trip meter measured...thanks again

I have a 1999 LX470 that doesn't make any sound anymore when pressing the alarm to lock and unlock also when the vehicle goes from an off to on the locks don't switch to "lock", vice versa from going from on to off, the locks won't go from "lock" to "unlocked". The vehicle doesn't use the factory key alarm and the problem occured after I picked up it from service at the dealership. The alarm is a 4 button unit that has A,B, lock and unlocked, is there a way I can reset the vehicle to recognized this alarm, no sound is made anymore whenever i press lock or unlock on the unit. It used to make a sound and it used to do the lock and unlock actions as described above on startup and taking the ignition off...anyway to reset the alarm so the vehicle recognizes back the 4 button unit? Thanks everyone! -Andy

Hey everyone, first post over here but I love the atmosphere :), I have an 01 ES300 with around 163,000 miles that I bought preowned from Lexus of Massepequa; Dealer checked out the, tested tranny fluid prior to finalizing sale. It was a one owner car meticulously kept and maintained. Service was all done by the same dealership and I saw all records prior to buying; the car is in Florida now where I currently am located(relocated from NY to FL). My issue is the gas mileage I put the trip meter on 0 once I filled the tank and it shows 225 miles with only 1/4 tank remaining, this is horrendous gas mileage in comparison to the mpg statistically on websites and even if I do the usual multiply the city alone (19) by 18.5 gallons, it comes to approximately 350miles which is far higher then what I'm going to see once this tank is finished. The horrible mileage was experienced multiple times now from filling the tank and using the trip meter to measure, I decided to come here and ask for suggestions;I drive combined highway and city everyday. Any help is greatly appreciated! -Andy