I have a 2004 ES330 subsequent to a hestitation problem. It is fine from a full stop but in imitation of I go in relation to turns on onto highway ramps, later 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 subsequently the same engine and it jumps off the begin and has no hesitation. Mechanic s Assistant: Will the headlights tilt on? Is the battery sufficiently charged? With or without headlights on. Relatively further 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 as a result far? I ve cleaned the MAF sensor. Checked for links in the intake. in imitation of I put my Turbo OBDII app on, anything seems good except that the TPS stays constant not far off from 30%. This is a drive-by-wire model hence it has not throttle cable or normal TPS. I agree to the TPS is integrated in imitation of the throttle controller/motor. Mechanic s Assistant: all 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 tiny more not quite the problem history. It currently has a master tech recognized idle ventilate govern valve and tps installed. without distressing anything, the last (used) ecu and my original, would manage in the car without this symptom.
I'm reviewing your question now, and will herald help once your respond ASAP. Rgds Greg. What deviation codes reach you have. Does the engine run in imitation of the MAF disconnected. like the noisy hissing unassailable this could be your problem. This could be a large vacuum leak ,with the MAF associated it is lonely measuring the ventilate that is getting when the MAF, hence if the intake manifold is sucking in air the expose to fuel ratio will be definitely out and cause the engine to stal