I have a 2004 ES330 subsequent to a hestitation problem. It is fine from a full stop but taking into consideration I go concerning turns on onto highway ramps, with I depress the accellarator (sp?) it hesitates for 2 seconds before reving up. I ve taken it to a mechanic and he says it is normal. I have an 2003 Avalon subsequently the similar engine and it jumps off the begin and has no hesitation. Mechanic s Assistant: Will the headlights aim on? Is the battery abundantly charged? With or without headlights on. Relatively new 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 hence far? I ve cleaned the MAF sensor. Checked for friends in the intake. as soon as I put my Turbo OBDII app on, all seems fine except that the TPS stays constant approximately 30%. This is a drive-by-wire model fittingly it has not throttle cable or usual TPS. I understand the TPS is integrated following the throttle controller/motor. Mechanic s Assistant: anything else you desire the mechanic to know since I border you? No, I guess that is it.
I started the car occurring this morning, it starts up and runs at 1750 and within a minute or appropriately climbs beyond 2500.. It is processing mild though, just way far along than it should be. I then checked the throttle screw plate/return screw, with intent turned it out and nothing changed. put it support to exactly where it was. No vacuum leak sounds and every links verified. I vibes good approximately them as I've been in there a bunch of times..
I'm reviewing your ask now, and will say encourage in imitation of your answer ASAP. Rgds Greg. What oddity codes complete you have. Does the engine run with the MAF disconnected. as soon as the noisy hissing unassailable this could be your problem. This could be a large vacuum leak ,with the MAF related it is lonesome measuring the freshen that is getting afterward the MAF, suitably if the intake manifold is sucking in expose the let breathe to fuel ratio will be definitely out and cause the engine to stal