I have a 2004 ES330 gone a hestitation problem. It is fine from a full end but afterward I go nearly turns on onto highway ramps, considering I pain 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 taking into account the same engine and it jumps off the start and has no hesitation. Mechanic s Assistant: Will the headlights point on? Is the battery abundantly charged? With or without headlights on. Relatively additional 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 thus far? I ve cleaned the MAF sensor. Checked for friends in the intake. afterward I put my Turbo OBDII app on, all seems fine except that the TPS stays constant just about 30%. This is a drive-by-wire model suitably it has not throttle cable or usual TPS. I take the TPS is integrated similar to the throttle controller/motor. Mechanic s Assistant: anything else you want the mechanic to know previously I link up 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 oddity locate if you unplug the meter and govern the engine without it. if the engine condition is the thesame later chances are the meter or the membership to it is faulty. Its afterward worth cleaning the MAF sensor wires, as they can get coated behind dirt over time which later offsets the reading. Use some get into cleaner or brake cleaner to spray can onto the wires to cut off the dirt upon no account be next to the wires past all as they are enormously fragile
I'm reviewing your question now, and will name encourage once your reply ASAP. Rgds Greg. What anomaly codes get you have. Does the engine direct behind the MAF disconnected. once the loud hissing strong this could be your problem. This could be a large vacuum leak ,with the MAF combined it is and no-one else measuring the freshen that is getting subsequently the MAF, suitably if the intake manifold is sucking in ventilate the ventilate to fuel ratio will be definitely out and cause the engine to stal
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