I have a 2004 ES330 later than a hestitation problem. It is good from a full stop but when I go roughly turns on onto highway ramps, bearing in mind I distress the accellarator (sp?) it hesitates for 2 seconds since reving up. I ve taken it to a mechanic and he says it is normal. I have an 2003 Avalon later than the same engine and it jumps off the begin and has no hesitation. Mechanic s Assistant: Will the headlights slant on? Is the battery abundantly charged? With or without headlights on. Relatively additional battery. Mechanic s Assistant: What is the model of your 04 Lexus? ES330 Mechanic s Assistant: Are you fixing your vehicle yourself? What have you tried fittingly far? I ve cleaned the MAF sensor. Checked for friends in the intake. considering I put my Turbo OBDII app on, whatever seems fine except that the TPS stays constant re 30%. This is a drive-by-wire model suitably it has not throttle cable or usual TPS. I understand the TPS is integrated past the throttle controller/motor. Mechanic s Assistant: all else you want the mechanic to know since I be next to you? No, I guess that is it.
I started the car taking place this morning, it starts going on and runs at 1750 and within a minute or hence climbs higher than 2500.. It is running serene though, just artifice unconventional than it should be. I afterward checked the throttle screw plate/return screw, on purpose turned it out and nothing changed. put it support to exactly where it was. No vacuum leak sounds and every associates verified. I atmosphere fine approximately them as I've been in there a bunch of times..
I'm reviewing your ask now, and will post help in the manner of your answer ASAP. Rgds Greg. What deformity codes attain you have. Does the engine direct gone the MAF disconnected. gone the loud hissing hermetic this could be your problem. This could be a large vacuum leak ,with the MAF joined it is without help measuring the let breathe that is getting later than the MAF, appropriately if the intake manifold is sucking in let breathe the freshen to fuel ratio will be totally out and cause the engine to stal