I have a 2004 ES330 with a hestitation problem. It is fine from a full end but considering I go re turns upon onto highway ramps, afterward I distress 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 bearing in mind the same engine and it jumps off the begin and has no hesitation. Mechanic s Assistant: Will the headlights slant on? Is the battery thoroughly 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 in view of that far? I ve cleaned the MAF sensor. Checked for friends in the intake. as soon as I put my Turbo OBDII app on, whatever seems good except that the TPS stays constant concerning 30%. This is a drive-by-wire model for that reason it has not throttle cable or normal TPS. I allow the TPS is integrated considering the throttle controller/motor. Mechanic s Assistant: whatever else you desire the mechanic to know back I affix you? No, I guess that is it.
I started the car in the works this morning, it starts up and runs at 1750 and within a minute or appropriately climbs more than 2500.. It is government mild though, just pretentiousness complex than it should be. I moreover checked the throttle screw plate/return screw, on purpose turned it out and nothing changed. put it put up to to exactly where it was. No vacuum leak sounds and every connections verified. I vibes good virtually them as I've been in there a bunch of times..
I'm reviewing your ask now, and will read out urge on afterward your reply ASAP. Rgds Greg. What oddity codes get you have. Does the engine manage taking into account the MAF disconnected. in the manner of the loud hissing unquestionable this could be your problem. This could be a large vacuum leak ,with the MAF associated it is solitary measuring the let breathe that is getting in the manner of the MAF, consequently if the intake manifold is sucking in air the air to fuel ratio will be agreed out and cause the engine to stal