I have a 2004 ES330 like a hestitation problem. It is good from a full stop but with I go concerning turns upon onto highway ramps, later than I sadden the accellarator (sp?) it hesitates for 2 seconds past reving up. I ve taken it to a mechanic and he says it is normal. I have an 2003 Avalon next the thesame engine and it jumps off the begin and has no hesitation. Mechanic s Assistant: Will the headlights slant on? Is the battery adequately 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 correspondingly far? I ve cleaned the MAF sensor. Checked for associates in the intake. when I put my Turbo OBDII app on, all seems good 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 acknowledge the TPS is integrated in the same way as the throttle controller/motor. Mechanic s Assistant: everything else you want the mechanic to know back 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 little more very nearly the suffering history. It currently has a master tech official idle let breathe govern valve and tps installed. without disturbing anything, the last (used) ecu and my original, would run in the car without this symptom.
I'm reviewing your question now, and will herald assist taking into consideration your reply ASAP. Rgds Greg. What deformity codes get you have. Does the engine run afterward the MAF disconnected. following the noisy hissing hermetic this could be your problem. This could be a large vacuum leak ,with the MAF united it is single-handedly measuring the air that is getting similar to the MAF, thus if the intake manifold is sucking in air the air to fuel ratio will be certainly out and cause the engine to stal