I have a 2004 ES330 subsequently a hestitation problem. It is good from a full stop but as soon as I go around turns upon onto highway ramps, behind I depress 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 afterward the same engine and it jumps off the begin and has no hesitation. Mechanic s Assistant: Will the headlights slant on? Is the battery sufficiently charged? With or without headlights on. Relatively new 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. gone I put my Turbo OBDII app on, anything seems good except that the TPS stays constant on the order of 30%. This is a drive-by-wire model suitably it has not throttle cable or usual TPS. I acknowledge the TPS is integrated in imitation of the throttle controller/motor. Mechanic s Assistant: all else you want the mechanic to know before 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 virtually the hardship history. It currently has a master tech official idle expose govern valve and tps installed. without disturbing anything, the last (used) ecu and my original, would control in the car without this symptom.
This could be a large vacuum leak ,with the MAF related it is abandoned measuring the expose that is getting subsequently the MAF, consequently if the intake manifold is sucking in expose the let breathe to fuel ratio will be unconditionally out and cause the engine to stall. If MAF is disconnected the engine goes into a limp measurement and lets the engine run. behind carb cleaner vaporizer vaporizer in the place of the hissing subsequently the engine government and later than you hear the engine stall or rev complex there is the leak ,could be a bad vacuum hose bad gasket on the manifold.
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