I have a 2004 ES330 subsequently a hestitation problem. It is good from a full end but following I go with reference to turns on onto highway ramps, similar to I afflict the accellarator (sp?) it hesitates for 2 seconds since reving up. I ve taken it to a mechanic and he says it is normal. I have an 2003 Avalon as soon as the thesame engine and it jumps off the begin and has no hesitation. Mechanic s Assistant: Will the headlights direction on? Is the battery sufficiently charged? With or without headlights on. Relatively supplementary 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 contacts in the intake. like I put my Turbo OBDII app on, anything seems good except that the TPS stays constant just about 30%. This is a drive-by-wire model in view of that it has not throttle cable or normal TPS. I acknowledge the TPS is integrated similar to the throttle controller/motor. Mechanic s Assistant: anything else you desire the mechanic to know since I be close to you? No, I guess that is it.
Might in addition to be worth checking the wiring and connector to the airflow meter for any signs of corrosion or damage. you can complete a fast oddity find if you unplug the meter and rule the engine without it. if the engine condition is the thesame subsequently chances are the meter or the relationship to it is faulty. Its along with worth cleaning the MAF sensor wires, as they can get coated later than dirt beyond epoch which after that offsets the reading. Use some entre cleaner or brake cleaner to spray onto the wires to sever the dirt on no account be adjacent to the wires subsequent to whatever as they are unconditionally fragile
This could be a large vacuum leak ,with the MAF partnered it is single-handedly measuring the let breathe that is getting bearing in mind the MAF, for that reason if the intake manifold is sucking in expose the air to fuel ratio will be completely out and cause the engine to stall. If MAF is disconnected the engine goes into a limp measurement and lets the engine run. in imitation of carb cleaner vaporizer spray can in the area of the hissing taking into consideration the engine dealing out and past you hear the engine stall or rev cutting edge there is the leak ,could be a bad vacuum hose bad gasket on the manifold.
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