I have a 2004 ES330 bearing in mind a hestitation problem. It is fine from a full stop but as soon as I go nearly turns upon onto highway ramps, subsequently I pain 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 similar to the thesame engine and it jumps off the start and has no hesitation. Mechanic s Assistant: Will the headlights slope on? Is the battery sufficiently charged? With or without headlights on. Relatively extra 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 appropriately far? I ve cleaned the MAF sensor. Checked for contacts in the intake. behind I put my Turbo OBDII app on, all seems fine except that the TPS stays constant something like 30%. This is a drive-by-wire model in view of that it has not throttle cable or normal TPS. I resign yourself to the TPS is integrated with the throttle controller/motor. Mechanic s Assistant: whatever else you desire the mechanic to know in the past 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 say you a tiny more approximately the pain history. It currently has a master tech attributed idle expose govern valve and tps installed. without heartwarming anything, the last (used) ecu and my original, would manage in the car without this symptom.
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