I have a 2004 ES330 as soon as a hestitation problem. It is fine from a full end but later I go regarding turns upon onto highway ramps, afterward I hurt the accellarator (sp?) it hesitates for 2 seconds in the past reving up. I ve taken it to a mechanic and he says it is normal. I have an 2003 Avalon subsequent to the thesame engine and it jumps off the begin and has no hesitation. Mechanic s Assistant: Will the headlights slope 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 suitably far? I ve cleaned the MAF sensor. Checked for links in the intake. considering I put my Turbo OBDII app on, everything seems good except that the TPS stays constant nearly 30%. This is a drive-by-wire model for that reason it has not throttle cable or usual TPS. I believe the TPS is integrated subsequently the throttle controller/motor. Mechanic s Assistant: everything else you desire the mechanic to know in the past I be close to you? No, I guess that is it.
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 misfortune history. It currently has a master tech recognized idle freshen direct valve and tps installed. without touching anything, the last (used) ecu and my original, would direct in the car without this symptom.
I'm reviewing your question now, and will publicize back next your respond ASAP. Rgds Greg. What deviation codes pull off you have. Does the engine run following the MAF disconnected. taking into account the noisy hissing hermetic this could be your problem. This could be a large vacuum leak ,with the MAF aligned it is forlorn measuring the let breathe that is getting gone the MAF, thus if the intake manifold is sucking in freshen the let breathe to fuel ratio will be extremely out and cause the engine to stal