I have a 2004 ES330 afterward a hestitation problem. It is good from a full stop but with I go with reference to turns upon onto highway ramps, bearing in mind I upset 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 subsequent to the similar engine and it jumps off the begin and has no hesitation. Mechanic s Assistant: Will the headlights outlook 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 therefore far? I ve cleaned the MAF sensor. Checked for associates in the intake. afterward I put my Turbo OBDII app on, anything seems good except that the TPS stays constant approximately 30%. This is a drive-by-wire model appropriately it has not throttle cable or normal TPS. I acknowledge the TPS is integrated like the throttle controller/motor. Mechanic s Assistant: all else you want the mechanic to know previously I connect 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 tell you a little more practically the pain history. It currently has a master tech ascribed idle freshen govern 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 question now, and will publicize help following your reply ASAP. Rgds Greg. What aberration codes do you have. Does the engine control similar to the MAF disconnected. with the noisy hissing hermetic this could be your problem. This could be a large vacuum leak ,with the MAF linked it is solitary measuring the expose that is getting next the MAF, as a result if the intake manifold is sucking in air the air to fuel ratio will be certainly out and cause the engine to stal