I have a 2004 ES330 like a hestitation problem. It is fine from a full end but with I go as regards turns upon onto highway ramps, afterward I afflict the accellarator (sp?) it hesitates for 2 seconds past reving up. I ve taken it to a mechanic and he says it is normal. I have an 2003 Avalon later the same engine and it jumps off the begin and has no hesitation. Mechanic s Assistant: Will the headlights twist 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 therefore far? I ve cleaned the MAF sensor. Checked for associates in the intake. with I put my Turbo OBDII app on, whatever seems fine except that the TPS stays constant as regards 30%. This is a drive-by-wire model in view of that it has not throttle cable or usual TPS. I acknowledge the TPS is integrated in imitation of the throttle controller/motor. Mechanic s Assistant: whatever else you want the mechanic to know previously I affix you? No, I guess that is it.
I did re-check them tho. The master tech did extensive tests upon the ventilate flow meter and said it was good. later I unplug it and run the motor, the car runs aggressive and at 850ish. I can lonesome guess that my new rebuilt ecu has an issue, or the tps needs to be re-adjusted, or someway my maf has died in the midst of every this. I don't think the tps has that much rule in the swap of rpm though? I think it unaccompanied adjusts it re 1k..
have you looked into throttle body coking and/or combustion chamber/valve carbon buildup? are you occurring to date upon all maintenance; spark plugs fuel filter pcv vlave etc? have you performed a visual inspection and listened to engine as it warms stirring and is warmed up? oftentimes in engine proceed many factors may cause the same symptom(s)