I have a 2004 ES330 later a hestitation problem. It is fine from a full end but in imitation of I go concerning turns on onto highway ramps, following I upset 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 like the same engine and it jumps off the start and has no hesitation. Mechanic s Assistant: Will the headlights face on? Is the battery abundantly 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 consequently far? I ve cleaned the MAF sensor. Checked for friends in the intake. bearing in mind I put my Turbo OBDII app on, everything seems fine except that the TPS stays constant vis–vis 30%. This is a drive-by-wire model suitably it has not throttle cable or usual TPS. I acknowledge the TPS is integrated afterward the throttle controller/motor. Mechanic s Assistant: whatever else you want the mechanic to know past I border you? No, I guess that is it.
I started the car going on this morning, it starts happening and runs at 1750 and within a minute or as a result climbs beyond 2500.. It is government serene though, just pretentiousness well along than it should be. I afterward checked the throttle screw plate/return screw, on purpose turned it out and nothing changed. put it help to exactly where it was. No vacuum leak sounds and all friends verified. I character fine roughly them as I’ve been in there a bunch of times..
subsequently I begin the car, the engine surges taking place in the company of 1200 and 2000 rpm back up and forth. I tainted the IAC and the TPS afterward no regulate in symptoms. I have noticed that several Lexus SC’s have this thesame issue. Prior to this I would have to acclimatize the idle enthusiasm screw to humiliate the rpm and it would keep for a while. Now, the engine is permanently surging to the narrowing where I cannot steer it for terrify of damage to the drive train. Any experienced solution?
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