I have a 2004 ES330 as soon as a hestitation problem. It is good from a full stop but taking into account I go just about turns on onto highway ramps, with I hurt 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 past the similar engine and it jumps off the begin and has no hesitation. Mechanic s Assistant: Will the headlights point on? Is the battery sufficiently charged? With or without headlights on. Relatively extra 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 so far? I ve cleaned the MAF sensor. Checked for associates in the intake. when I put my Turbo OBDII app on, anything seems good except that the TPS stays constant nearly 30%. This is a drive-by-wire model suitably it has not throttle cable or usual TPS. I tolerate the TPS is integrated as soon as the throttle controller/motor. Mechanic s Assistant: everything else you desire the mechanic to know past I affix you? No, I guess that is it.
Might in addition to be worth checking the wiring and connector to the airflow meter for any signs of corrosion or damage. you can complete a fast irregularity find if you unplug the meter and direct the engine without it. if the engine condition is the same later chances are the meter or the attachment to it is faulty. Its after that worth cleaning the MAF sensor wires, as they can acquire coated later dirt more than epoch which then offsets the reading. Use some read cleaner or brake cleaner to vaporizer onto the wires to remove the dirt upon no account lie alongside the wires gone all as they are entirely fragile
next I begin the car, the engine surges stirring in the middle of 1200 and 2000 rpm back up and forth. I untouched the IAC and the TPS behind no fine-tune in symptoms. I have noticed that several Lexus SC's have this thesame issue. Prior to this I would have to become accustomed the idle quickness screw to demean the rpm and it would keep for a while. Now, the engine is all the time surging to the lessening where I cannot drive it for terrify of broken to the drive train. Any experienced solution?
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