I have a 2004 ES330 considering a hestitation problem. It is fine from a full stop but similar to I go on the subject of turns upon onto highway ramps, as soon as I sadden the accellarator (sp?) it hesitates for 2 seconds back reving up. I ve taken it to a mechanic and he says it is normal. I have an 2003 Avalon once the same engine and it jumps off the start and has no hesitation. Mechanic s Assistant: Will the headlights perspective 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 consequently far? I ve cleaned the MAF sensor. Checked for contacts in the intake. gone I put my Turbo OBDII app on, everything seems good except that the TPS stays constant a propos 30%. This is a drive-by-wire model consequently it has not throttle cable or usual TPS. I take the TPS is integrated gone the throttle controller/motor. Mechanic s Assistant: whatever else you desire the mechanic to know since 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 tell you a little more practically the burden history. It currently has a master tech approved idle ventilate run valve and tps installed. without disturbing anything, the last (used) ecu and my original, would run in the car without this symptom.
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