I have a 2004 ES330 behind a hestitation problem. It is fine from a full stop but afterward I go something like turns upon onto highway ramps, later than I hurt 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 gone the thesame engine and it jumps off the start and has no hesitation. Mechanic s Assistant: Will the headlights direction on? Is the battery thoroughly charged? With or without headlights on. Relatively other 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 therefore far? I ve cleaned the MAF sensor. Checked for links in the intake. bearing in mind I put my Turbo OBDII app on, everything seems fine except that the TPS stays constant not far off from 30%. This is a drive-by-wire model appropriately it has not throttle cable or usual TPS. I admit the TPS is integrated as soon as the throttle controller/motor. Mechanic s Assistant: whatever else you desire the mechanic to know previously I be next to you? No, I guess that is it.
Thanks for your response. I just checked what you mentioned, that I hadn't already checked, except fuel pressure.Let me say you a tiny more virtually the misfortune history. It currently has a master tech endorsed idle let breathe direct valve and tps installed. without touching anything, the last (used) ecu and my original, would control in the car without this symptom.
I'm reviewing your ask now, and will proclaim urge on subsequently your reply ASAP. Rgds Greg. What defect codes attain you have. Does the engine control as soon as the MAF disconnected. subsequently the noisy hissing unassailable this could be your problem. This could be a large vacuum leak ,with the MAF partnered it is unaccompanied measuring the ventilate that is getting as soon as the MAF, in view of that if the intake manifold is sucking in freshen the let breathe to fuel ratio will be enormously out and cause the engine to stal