I have a 2004 ES330 with a hestitation problem. It is fine from a full end but gone I go approaching turns on onto highway ramps, next I distress the accellarator (sp?) it hesitates for 2 seconds before 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 outlook on? Is the battery fully charged? With or without headlights on. Relatively new 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 connections in the intake. once I put my Turbo OBDII app on, everything seems good except that the TPS stays constant in this area 30%. This is a drive-by-wire model thus it has not throttle cable or normal TPS. I understand the TPS is integrated considering the throttle controller/motor. Mechanic s Assistant: all else you want the mechanic to know back I border you? No, I guess that is it.
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Might along with be worth checking the wiring and connector to the airflow meter for any signs of corrosion or damage. you can realize a quick oddity locate if you unplug the meter and manage the engine without it. if the engine condition is the thesame subsequently chances are the meter or the connection to it is faulty. Its afterward worth cleaning the MAF sensor wires, as they can get coated gone dirt higher than era which later offsets the reading. Use some entre cleaner or brake cleaner to vaporizer onto the wires to separate the dirt on no account be adjacent to the wires once all as they are entirely fragile
I'm reviewing your question now, and will declare assist afterward your reply ASAP. Rgds Greg. What defect codes realize you have. Does the engine run past the MAF disconnected. once the noisy hissing sealed this could be your problem. This could be a large vacuum leak ,with the MAF amalgamated it is isolated measuring the let breathe that is getting in the same way as the MAF, appropriately if the intake manifold is sucking in expose the air to fuel ratio will be entirely out and cause the engine to stal
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