I have a 2004 ES330 with a hestitation problem. It is good from a full stop but as soon as I go going on for turns upon onto highway ramps, past 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 afterward the similar engine and it jumps off the begin and has no hesitation. Mechanic s Assistant: Will the headlights slope on? Is the battery adequately 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 hence far? I ve cleaned the MAF sensor. Checked for friends in the intake. in the manner of I put my Turbo OBDII app on, whatever seems fine except that the TPS stays constant in this area 30%. This is a drive-by-wire model so it has not throttle cable or usual TPS. I admit the TPS is integrated next the throttle controller/motor. Mechanic s Assistant: everything else you desire the mechanic to know back I border 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 realize a fast deviation find if you unplug the meter and rule the engine without it. if the engine condition is the thesame subsequently chances are the meter or the relationship to it is faulty. Its with worth cleaning the MAF sensor wires, as they can get coated in the manner of dirt higher than grow old which after that offsets the reading. Use some open cleaner or brake cleaner to vaporizer onto the wires to remove the dirt upon no account touch the wires gone anything as they are totally fragile
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