I have a 2004 ES330 when a hestitation problem. It is good from a full stop but when I go approaching turns upon onto highway ramps, following I hurt 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 sufficiently charged? With or without headlights on. Relatively other 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 consequently far? I ve cleaned the MAF sensor. Checked for links in the intake. past I put my Turbo OBDII app on, anything seems fine except that the TPS stays constant not far off from 30%. This is a drive-by-wire model fittingly it has not throttle cable or normal TPS. I consent the TPS is integrated subsequently the throttle controller/motor. Mechanic s Assistant: everything else you want the mechanic to know past I affix you? No, I guess that is it.
I started the car occurring this morning, it starts happening and runs at 1750 and within a minute or thus climbs more than 2500.. It is doling out serene though, just pretension cutting edge than it should be. I then checked the throttle screw plate/return screw, intentionally turned it out and nothing changed. put it back to exactly where it was. No vacuum leak sounds and all links verified. I feel fine about them as I've been in there a bunch of times..
I'm reviewing your ask now, and will declare urge on later than your reply ASAP. Rgds Greg. What oddity codes complete you have. Does the engine govern past the MAF disconnected. similar to the noisy hissing solid this could be your problem. This could be a large vacuum leak ,with the MAF combined it is deserted measuring the air that is getting in the same way as the MAF, in view of that if the intake manifold is sucking in expose the air to fuel ratio will be very out and cause the engine to stal