I have a 2004 ES330 in the same way as a hestitation problem. It is fine from a full end but with I go all but turns upon onto highway ramps, gone I depress the accellarator (sp?) it hesitates for 2 seconds past reving up. I ve taken it to a mechanic and he says it is normal. I have an 2003 Avalon next the thesame engine and it jumps off the start and has no hesitation. Mechanic s Assistant: Will the headlights aim on? Is the battery sufficiently 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 consequently far? I ve cleaned the MAF sensor. Checked for connections in the intake. once I put my Turbo OBDII app on, all seems fine except that the TPS stays constant re 30%. This is a drive-by-wire model as a result it has not throttle cable or usual TPS. I allow the TPS is integrated similar to the throttle controller/motor. Mechanic s Assistant: whatever else you want the mechanic to know past I connect you? No, I guess that is it.
Might as well as be worth checking the wiring and connector to the airflow meter for any signs of corrosion or damage. you can reach a quick defect find if you unplug the meter and control the engine without it. if the engine condition is the same then chances are the meter or the attachment to it is faulty. Its afterward worth cleaning the MAF sensor wires, as they can get coated in the same way as dirt greater than get older which later offsets the reading. Use some way in cleaner or brake cleaner to vaporizer onto the wires to remove the dirt upon no account touch the wires once whatever as they are unquestionably fragile
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