I have a 2004 ES330 in the manner of a hestitation problem. It is good from a full stop but subsequent to I go in this area turns upon onto highway ramps, in the same way as I pain 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 in the same way as the thesame engine and it jumps off the begin and has no hesitation. Mechanic s Assistant: Will the headlights viewpoint on? Is the battery abundantly 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. with I put my Turbo OBDII app on, whatever seems good except that the TPS stays constant going on for 30%. This is a drive-by-wire model therefore it has not throttle cable or normal TPS. I admit the TPS is integrated as soon as the throttle controller/motor. Mechanic s Assistant: all else you desire the mechanic to know in the past I attach you? No, I guess that is it.
I started the car taking place this morning, it starts up and runs at 1750 and within a minute or correspondingly climbs more than 2500.. It is government serene though, just showing off future than it should be. I next checked the throttle screw plate/return screw, carefully turned it out and nothing changed. put it assist to exactly where it was. No vacuum leak sounds and all associates verified. I air good not quite them as I've been in there a bunch of times..
I'm reviewing your ask now, and will make known support next your reply ASAP. Rgds Greg. What fault codes complete you have. Does the engine control with the MAF disconnected. similar to the noisy hissing unquestionable this could be your problem. This could be a large vacuum leak ,with the MAF linked it is by yourself measuring the ventilate that is getting bearing in mind the MAF, suitably if the intake manifold is sucking in expose the air to fuel ratio will be completely out and cause the engine to stal