I have a 2004 ES330 subsequent to a hestitation problem. It is good from a full stop but bearing in mind I go a propos turns on onto highway ramps, subsequently I afflict the accellarator (sp?) it hesitates for 2 seconds back reving up. I ve taken it to a mechanic and he says it is normal. I have an 2003 Avalon later the similar engine and it jumps off the start and has no hesitation. Mechanic s Assistant: Will the headlights slant on? Is the battery thoroughly charged? With or without headlights on. Relatively supplementary 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 connections in the intake. taking into account I put my Turbo OBDII app on, whatever seems good except that the TPS stays constant as regards 30%. This is a drive-by-wire model as a result it has not throttle cable or normal TPS. I acknowledge the TPS is integrated when the throttle controller/motor. Mechanic s Assistant: anything else you desire the mechanic to know back I attach you? No, I guess that is it.
Might next be worth checking the wiring and connector to the airflow meter for any signs of corrosion or damage. you can do a fast irregularity find if you unplug the meter and rule the engine without it. if the engine condition is the thesame subsequently chances are the meter or the connection to it is faulty. Its along with worth cleaning the MAF sensor wires, as they can acquire coated following dirt on top of grow old which later offsets the reading. Use some gain access to cleaner or brake cleaner to spray can onto the wires to separate the dirt upon no account lie alongside the wires in the manner of whatever as they are categorically fragile
I'm reviewing your question now, and will read out assist in the manner of your answer ASAP. Rgds Greg. What deformity codes attain you have. Does the engine run in the manner of the MAF disconnected. similar to the loud hissing unquestionable this could be your problem. This could be a large vacuum leak ,with the MAF similar it is and no-one else measuring the ventilate that is getting subsequently the MAF, as a result if the intake manifold is sucking in let breathe the expose to fuel ratio will be definitely out and cause the engine to stal
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