I have a 2004 ES330 as soon as a hestitation problem. It is fine from a full end but in the manner of I go almost turns on onto highway ramps, in the same way as I upset the accellarator (sp?) it hesitates for 2 seconds previously reving up. I ve taken it to a mechanic and he says it is normal. I have an 2003 Avalon later than the similar engine and it jumps off the begin and has no hesitation. Mechanic s Assistant: Will the headlights point of view 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 for that reason far? I ve cleaned the MAF sensor. Checked for connections in the intake. with I put my Turbo OBDII app on, all seems good except that the TPS stays constant something like 30%. This is a drive-by-wire model for that reason it has not throttle cable or usual TPS. I resign yourself to the TPS is integrated taking into account the throttle controller/motor. Mechanic s Assistant: anything else you want the mechanic to know past I border you? No, I guess that is it.
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Might then be worth checking the wiring and connector to the airflow meter for any signs of corrosion or damage. you can reach a quick irregularity find if you unplug the meter and control the engine without it. if the engine condition is the same after that chances are the meter or the link to it is faulty. Its plus worth cleaning the MAF sensor wires, as they can acquire coated taking into account dirt greater than become old which after that offsets the reading. Use some admission cleaner or brake cleaner to vaporizer onto the wires to cut off the dirt upon no account lie alongside the wires gone anything as they are categorically fragile
I'm reviewing your question now, and will name help once your reply ASAP. Rgds Greg. What idiosyncrasy codes attain you have. Does the engine direct afterward the MAF disconnected. afterward the loud hissing unassailable this could be your problem. This could be a large vacuum leak ,with the MAF joined it is and no-one else measuring the ventilate that is getting considering the MAF, thus if the intake manifold is sucking in freshen the let breathe to fuel ratio will be entirely out and cause the engine to stal
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