I have a 2004 ES330 like a hestitation problem. It is fine from a full stop but following I go regarding turns on onto highway ramps, with I hurt the accellarator (sp?) it hesitates for 2 seconds since reving up. I ve taken it to a mechanic and he says it is normal. I have an 2003 Avalon with the thesame engine and it jumps off the start and has no hesitation. Mechanic s Assistant: Will the headlights perspective on? Is the battery abundantly 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 for that reason far? I ve cleaned the MAF sensor. Checked for associates in the intake. similar to I put my Turbo OBDII app on, everything seems good except that the TPS stays constant re 30%. This is a drive-by-wire model consequently it has not throttle cable or usual TPS. I resign yourself to the TPS is integrated later the throttle controller/motor. Mechanic s Assistant: all else you desire the mechanic to know since I connect you? No, I guess that is it.
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Might in addition to be worth checking the wiring and connector to the airflow meter for any signs of corrosion or damage. you can get a fast anomaly locate if you unplug the meter and govern the engine without it. if the engine condition is the similar subsequently chances are the meter or the relationship to it is faulty. Its after that worth cleaning the MAF sensor wires, as they can acquire coated in the same way as dirt greater than get older which subsequently offsets the reading. Use some gate cleaner or brake cleaner to spray can onto the wires to remove the dirt on no account lie alongside the wires behind all as they are unconditionally fragile
This could be a large vacuum leak ,with the MAF related it is single-handedly measuring the freshen that is getting in imitation of the MAF, so if the intake manifold is sucking in expose the expose to fuel ratio will be entirely out and cause the engine to stall. If MAF is disconnected the engine goes into a limp measurement and lets the engine run. in the manner of carb cleaner vaporizer vaporizer in the area of the hissing when the engine direction and in the same way as you hear the engine stall or rev forward-looking there is the leak ,could be a bad vacuum hose bad gasket upon the manifold.
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