I have a 2004 ES330 considering a hestitation problem. It is good from a full stop but following I go around turns upon onto highway ramps, with I hurt 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 in imitation of the thesame engine and it jumps off the begin and has no hesitation. Mechanic s Assistant: Will the headlights twist on? Is the battery sufficiently charged? With or without headlights on. Relatively further 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 correspondingly far? I ve cleaned the MAF sensor. Checked for friends in the intake. bearing in mind I put my Turbo OBDII app on, all seems good except that the TPS stays constant all but 30%. This is a drive-by-wire model suitably it has not throttle cable or normal TPS. I acknowledge the TPS is integrated afterward the throttle controller/motor. Mechanic s Assistant: anything else you desire the mechanic to know back I link up you? No, I guess that is it.
Might as a consequence be worth checking the wiring and connector to the airflow meter for any signs of corrosion or damage. you can accomplish a fast oddity locate if you unplug the meter and control the engine without it. if the engine condition is the similar later chances are the meter or the attachment to it is faulty. Its moreover worth cleaning the MAF sensor wires, as they can acquire coated later dirt exceeding get older which then offsets the reading. Use some get into cleaner or brake cleaner to spray onto the wires to separate the dirt upon no account be next to the wires as soon as whatever as they are enormously fragile
I'm reviewing your ask now, and will proclaim support subsequent to your respond ASAP. Rgds Greg. What oddity codes get you have. Does the engine control later than the MAF disconnected. next the noisy hissing solid this could be your problem. This could be a large vacuum leak ,with the MAF amalgamated it is unaccompanied measuring the freshen that is getting when the MAF, as a result if the intake manifold is sucking in let breathe the freshen to fuel ratio will be unconditionally out and cause the engine to stal