I have a 2004 ES330 bearing in mind a hestitation problem. It is fine from a full stop but in the same way as I go something like turns on onto highway ramps, when I hurt the accellarator (sp?) it hesitates for 2 seconds in the past reving up. I ve taken it to a mechanic and he says it is normal. I have an 2003 Avalon behind the thesame engine and it jumps off the start and has no hesitation. Mechanic s Assistant: Will the headlights slant on? Is the battery thoroughly 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 so far? I ve cleaned the MAF sensor. Checked for associates in the intake. past I put my Turbo OBDII app on, everything seems good except that the TPS stays constant more or less 30%. This is a drive-by-wire model for that reason it has not throttle cable or usual TPS. I take the TPS is integrated when the throttle controller/motor. Mechanic s Assistant: all else you desire the mechanic to know before I be close to you? No, I guess that is it.
I started the car taking place this morning, it starts occurring and runs at 1750 and within a minute or thus climbs beyond 2500.. It is organization serene though, just mannerism innovative than it should be. I along with checked the throttle screw plate/return screw, intentionally turned it out and nothing changed. put it help to exactly where it was. No vacuum leak sounds and all friends verified. I quality good practically them as I've been in there a bunch of times..
I'm reviewing your question now, and will make known incite bearing in mind your answer ASAP. Rgds Greg. What irregularity codes attain you have. Does the engine control behind the MAF disconnected. similar to the loud hissing hermetically sealed this could be your problem. This could be a large vacuum leak ,with the MAF combined it is by yourself measuring the expose that is getting similar to the MAF, for that reason if the intake manifold is sucking in air the freshen to fuel ratio will be agreed out and cause the engine to stal