I have a 2004 ES330 taking into account a hestitation problem. It is good from a full stop but once I go all but turns upon 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 taking into consideration the similar engine and it jumps off the begin and has no hesitation. Mechanic s Assistant: Will the headlights tilt on? Is the battery adequately 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 thus far? I ve cleaned the MAF sensor. Checked for connections in the intake. once I put my Turbo OBDII app on, all seems good except that the TPS stays constant in relation to 30%. This is a drive-by-wire model in view of that it has not throttle cable or normal TPS. I take on the TPS is integrated similar to the throttle controller/motor. Mechanic s Assistant: anything else you want the mechanic to know back I be close to you? No, I guess that is it.
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Thanks for your response. I just checked what you mentioned, that I hadn't already checked, except fuel pressure.Let me tell you a tiny more about the suffering history. It currently has a master tech official idle freshen govern valve and tps installed. without distressing anything, the last (used) ecu and my original, would govern in the car without this symptom.
This could be a large vacuum leak ,with the MAF connected it is forlorn measuring the let breathe that is getting gone the MAF, so if the intake manifold is sucking in let breathe the expose to fuel ratio will be categorically out and cause the engine to stall. If MAF is disconnected the engine goes into a limp measurement and lets the engine run. gone carb cleaner spray spray can in the area of the hissing in imitation of the engine government and past you listen the engine stall or rev progressive there is the leak ,could be a bad vacuum hose bad gasket on the manifold.
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