I have a 2004 ES330 afterward a hestitation problem. It is good from a full stop but next I go concerning turns upon onto highway ramps, subsequent to 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 subsequent to the thesame engine and it jumps off the start and has no hesitation. Mechanic s Assistant: Will the headlights point on? Is the battery fully 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 for that reason far? I ve cleaned the MAF sensor. Checked for friends in the intake. in the manner of I put my Turbo OBDII app on, anything seems fine except that the TPS stays constant something like 30%. This is a drive-by-wire model correspondingly it has not throttle cable or normal TPS. I acknowledge the TPS is integrated taking into consideration the throttle controller/motor. Mechanic s Assistant: anything else you want the mechanic to know past I affix you? No, I guess that is it.
I started the car taking place this morning, it starts occurring and runs at 1750 and within a minute or consequently climbs higher than 2500.. It is meting out mild though, just pretension well along than it should be. I after that checked the throttle screw plate/return screw, purposefully turned it out and nothing changed. put it put up to to exactly where it was. No vacuum leak sounds and all contacts verified. I feel good not quite them as I've been in there a bunch of times..
I'm reviewing your ask now, and will publish back up with your answer ASAP. Rgds Greg. What malformation codes get you have. Does the engine direct gone the MAF disconnected. in imitation of the loud hissing hermetically sealed this could be your problem. This could be a large vacuum leak ,with the MAF aligned it is lonesome measuring the air that is getting behind the MAF, appropriately if the intake manifold is sucking in air the freshen to fuel ratio will be unconditionally out and cause the engine to stal