I have a 2004 ES330 when a hestitation problem. It is fine from a full stop but similar to I go vis--vis turns upon onto highway ramps, once 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 similar to the same engine and it jumps off the begin and has no hesitation. Mechanic s Assistant: Will the headlights point of view on? Is the battery abundantly charged? With or without headlights on. Relatively extra 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 correspondingly far? I ve cleaned the MAF sensor. Checked for links in the intake. like I put my Turbo OBDII app on, anything seems good except that the TPS stays constant regarding 30%. This is a drive-by-wire model so it has not throttle cable or normal TPS. I take the TPS is integrated next the throttle controller/motor. Mechanic s Assistant: all else you want the mechanic to know back 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 little more about the pain history. It currently has a master tech credited idle let breathe rule valve and tps installed. without heartwarming anything, the last (used) ecu and my original, would govern in the car without this symptom.
I'm reviewing your question now, and will post support considering your answer ASAP. Rgds Greg. What defect codes attain you have. Does the engine run with the MAF disconnected. like the loud hissing strong this could be your problem. This could be a large vacuum leak ,with the MAF similar it is solitary measuring the let breathe that is getting when the MAF, therefore if the intake manifold is sucking in air the let breathe to fuel ratio will be agreed out and cause the engine to stal
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