I have a 2004 ES330 when a hestitation problem. It is good from a full end but afterward I go almost turns upon onto highway ramps, following I pain the accellarator (sp?) it hesitates for 2 seconds back 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 perspective on? Is the battery sufficiently charged? With or without headlights on. Relatively additional 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 fittingly far? I ve cleaned the MAF sensor. Checked for friends in the intake. once I put my Turbo OBDII app on, anything seems fine except that the TPS stays constant on the subject of 30%. This is a drive-by-wire model as a result it has not throttle cable or normal TPS. I acknowledge the TPS is integrated taking into account the throttle controller/motor. Mechanic s Assistant: all else you desire the mechanic to know previously I connect you? No, I guess that is it.
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I started the car in the works this morning, it starts happening and runs at 1750 and within a minute or for that reason climbs higher than 2500.. It is doling out smooth though, just way sophisticated than it should be. I afterward checked the throttle screw plate/return screw, purposefully turned it out and nothing changed. put it back to exactly where it was. No vacuum leak sounds and every contacts verified. I mood good virtually them as I've been in there a bunch of times..
have you looked into throttle body coking and/or combustion chamber/valve carbon buildup? are you up to date on every maintenance; spark plugs fuel filter pcv vlave etc? have you performed a visual inspection and listened to engine as it warms going on and is warmed up? oftentimes in engine play in many factors may cause the similar symptom(s)
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