I have a 2004 ES330 similar to a hestitation problem. It is good from a full end but with I go concerning turns upon onto highway ramps, with 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 next the similar engine and it jumps off the begin and has no hesitation. Mechanic s Assistant: Will the headlights outlook on? Is the battery thoroughly 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 consequently far? I ve cleaned the MAF sensor. Checked for associates in the intake. bearing in mind I put my Turbo OBDII app on, anything seems good except that the TPS stays constant just about 30%. This is a drive-by-wire model correspondingly it has not throttle cable or normal TPS. I acknowledge the TPS is integrated in imitation of the throttle controller/motor. Mechanic s Assistant: whatever else you desire the mechanic to know since I connect you? No, I guess that is it.
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Might with be worth checking the wiring and connector to the airflow meter for any signs of corrosion or damage. you can get a fast anomaly 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 as a consequence worth cleaning the MAF sensor wires, as they can acquire coated later than dirt over grow old which later offsets the reading. Use some edit cleaner or brake cleaner to vaporizer onto the wires to separate the dirt on no account lie alongside the wires taking into account whatever as they are unquestionably fragile
subsequently I begin the car, the engine surges taking place with 1200 and 2000 rpm back and forth. I untouched the IAC and the TPS gone no fine-tune in symptoms. I have noticed that several Lexus SC's have this thesame issue. Prior to this I would have to acclimatize the idle promptness screw to belittle the rpm and it would support for a while. Now, the engine is for eternity surging to the lessening where I cannot steer it for panic of broken to the drive train. Any experienced solution?
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