I have a 2004 ES330 later than a hestitation problem. It is fine from a full stop but later than I go on the subject of turns upon onto highway ramps, once I afflict the accellarator (sp?) it hesitates for 2 seconds before 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 start and has no hesitation. Mechanic s Assistant: Will the headlights point of view on? Is the battery thoroughly charged? With or without headlights on. Relatively other 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. afterward I put my Turbo OBDII app on, everything seems fine except that the TPS stays constant on the subject of 30%. This is a drive-by-wire model correspondingly it has not throttle cable or usual TPS. I say you will the TPS is integrated following the throttle controller/motor. Mechanic s Assistant: anything else you want the mechanic to know in the past I be close to you? No, I guess that is it.
Might moreover be worth checking the wiring and connector to the airflow meter for any signs of corrosion or damage. you can attain a quick irregularity find if you unplug the meter and govern the engine without it. if the engine condition is the thesame after that chances are the meter or the attachment to it is faulty. Its moreover worth cleaning the MAF sensor wires, as they can acquire coated as soon as dirt higher than epoch which later offsets the reading. Use some get into cleaner or brake cleaner to spray can onto the wires to separate the dirt on no account be adjacent to the wires next anything as they are enormously fragile
I'm reviewing your question now, and will herald back up bearing in mind your respond ASAP. Rgds Greg. What deformity codes pull off you have. Does the engine manage like the MAF disconnected. in imitation of the noisy hissing sound this could be your problem. This could be a large vacuum leak ,with the MAF united it is single-handedly measuring the ventilate that is getting later the MAF, thus if the intake manifold is sucking in freshen the air to fuel ratio will be unconditionally out and cause the engine to stal