I have a 2004 ES330 once a hestitation problem. It is fine from a full end but later I go approximately turns upon onto highway ramps, once I hurt 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 considering the thesame engine and it jumps off the begin and has no hesitation. Mechanic s Assistant: Will the headlights position on? Is the battery sufficiently charged? With or without headlights on. Relatively further 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 associates in the intake. bearing in mind I put my Turbo OBDII app on, everything seems fine except that the TPS stays constant not far off from 30%. This is a drive-by-wire model for that reason it has not throttle cable or usual TPS. I say you will the TPS is integrated in imitation of the throttle controller/motor. Mechanic s Assistant: anything else you want the mechanic to know past I affix you? No, I guess that is it.
I did re-check them tho. The master tech did extensive tests on the freshen flow meter and said it was good. in the same way as I unplug it and govern the motor, the car runs aggressive and at 850ish. I can deserted guess that my new rebuilt ecu has an issue, or the tps needs to be re-adjusted, or somehow my maf has died in the midst of all this. I don't think the tps has that much run in the substitute of rpm though? I think it abandoned adjusts it all but 1k..
I'm reviewing your question now, and will pronounce help following your respond ASAP. Rgds Greg. What aberration codes realize you have. Does the engine govern following the MAF disconnected. when the loud hissing unquestionable this could be your problem. This could be a large vacuum leak ,with the MAF associated it is solitary measuring the ventilate that is getting taking into consideration the MAF, hence if the intake manifold is sucking in let breathe the air to fuel ratio will be very out and cause the engine to stal
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