I have a 2004 ES330 in imitation of a hestitation problem. It is fine from a full stop but taking into account I go roughly speaking turns on onto highway ramps, next I sadden 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 subsequent to the similar engine and it jumps off the start and has no hesitation. Mechanic s Assistant: Will the headlights perspective on? Is the battery adequately 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 suitably far? I ve cleaned the MAF sensor. Checked for connections in the intake. similar to I put my Turbo OBDII app on, all seems good except that the TPS stays constant just about 30%. This is a drive-by-wire model correspondingly it has not throttle cable or normal TPS. I agree to the TPS is integrated as soon as the throttle controller/motor. Mechanic s Assistant: whatever else you want the mechanic to know before 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. when I unplug it and direct the motor, the car runs scratchy and at 850ish. I can forlorn guess that my additional 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 vary of rpm though? I think it without help adjusts it regarding 1k..
have you looked into throttle body coking and/or combustion chamber/valve carbon buildup? are you up 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 up and is warmed up? oftentimes in engine take steps many factors may cause the thesame symptom(s)