I have a 2004 ES330 later a hestitation problem. It is fine from a full stop but gone I go approximately turns upon onto highway ramps, similar to I hurt the accellarator (sp?) it hesitates for 2 seconds in the past reving up. I ve taken it to a mechanic and he says it is normal. I have an 2003 Avalon considering the similar engine and it jumps off the start and has no hesitation. Mechanic s Assistant: Will the headlights twist on? Is the battery adequately charged? With or without headlights on. Relatively further 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, all seems good except that the TPS stays constant all but 30%. This is a drive-by-wire model therefore it has not throttle cable or normal TPS. I tolerate the TPS is integrated when the throttle controller/motor. Mechanic s Assistant: all else you want the mechanic to know since I border you? No, I guess that is it.
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Might furthermore be worth checking the wiring and connector to the airflow meter for any signs of corrosion or damage. you can pull off a fast malformation find if you unplug the meter and direct the engine without it. if the engine condition is the same after that chances are the meter or the connection to it is faulty. Its next worth cleaning the MAF sensor wires, as they can acquire coated following dirt higher than times which next offsets the reading. Use some entry cleaner or brake cleaner to spray can onto the wires to separate the dirt on no account adjoin the wires bearing in mind whatever as they are extremely fragile
subsequently I start the car, the engine surges occurring surrounded by 1200 and 2000 rpm assist and forth. I misused the IAC and the TPS in imitation of no fine-tune in symptoms. I have noticed that several Lexus SC's have this thesame issue. Prior to this I would have to get used to the idle zeal screw to humiliate the rpm and it would sustain for a while. Now, the engine is continually surging to the lessening where I cannot drive it for buzzer of damage to the steer train. Any experienced solution?
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