I have a 2004 ES330 like a hestitation problem. It is fine from a full stop but gone I go approximately turns on onto highway ramps, in the same way as I sadden the accellarator (sp?) it hesitates for 2 seconds since reving up. I ve taken it to a mechanic and he says it is normal. I have an 2003 Avalon similar to the same engine and it jumps off the start and has no hesitation. Mechanic s Assistant: Will the headlights approach on? Is the battery fully charged? With or without headlights on. Relatively supplementary 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 in view of that far? I ve cleaned the MAF sensor. Checked for links in the intake. in the same way as I put my Turbo OBDII app on, all seems good except that the TPS stays constant nearly 30%. This is a drive-by-wire model fittingly it has not throttle cable or normal TPS. I bow to the TPS is integrated afterward the throttle controller/motor. Mechanic s Assistant: anything else you desire the mechanic to know in the past I affix you? No, I guess that is it.
Might plus be worth checking the wiring and connector to the airflow meter for any signs of corrosion or damage. you can accomplish a fast oddity find if you unplug the meter and govern the engine without it. if the engine condition is the thesame later chances are the meter or the association to it is faulty. Its after that worth cleaning the MAF sensor wires, as they can acquire coated taking into account dirt on top of become old which then offsets the reading. Use some entre cleaner or brake cleaner to spray can onto the wires to cut off the dirt on no account be adjacent to the wires in the manner of all as they are definitely fragile
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