I have a 2004 ES330 afterward a hestitation problem. It is fine from a full end but following I go in relation to turns on onto highway ramps, gone I hurt the accellarator (sp?) it hesitates for 2 seconds before reving up. I ve taken it to a mechanic and he says it is normal. I have an 2003 Avalon similar to the similar engine and it jumps off the begin and has no hesitation. Mechanic s Assistant: Will the headlights slope on? Is the battery fully charged? With or without headlights on. Relatively additional 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 connections in the intake. bearing in mind 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 in view of that it has not throttle cable or usual TPS. I agree to the TPS is integrated in imitation of the throttle controller/motor. Mechanic s Assistant: anything else you want the mechanic to know previously I affix 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 approximately the difficulty history. It currently has a master tech qualified idle ventilate run valve and tps installed. without heartwarming anything, the last (used) ecu and my original, would manage in the car without this symptom.
This could be a large vacuum leak ,with the MAF amalgamated it is deserted measuring the let breathe that is getting similar to the MAF, consequently if the intake manifold is sucking in ventilate the expose to fuel ratio will be totally out and cause the engine to stall. If MAF is disconnected the engine goes into a limp measurement and lets the engine run. when carb cleaner spray vaporizer in the area of the hissing subsequently the engine doling out and in the same way as you listen the engine stall or rev well along there is the leak ,could be a bad vacuum hose bad gasket upon the manifold.
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