I have a 2004 ES330 like a hestitation problem. It is fine from a full stop but in the manner of I go vis--vis turns on onto highway ramps, behind I hurt 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 next the thesame engine and it jumps off the start and has no hesitation. Mechanic s Assistant: Will the headlights viewpoint on? Is the battery abundantly charged? With or without headlights on. Relatively other 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 hence far? I ve cleaned the MAF sensor. Checked for associates in the intake. subsequent to I put my Turbo OBDII app on, anything seems good except that the TPS stays constant approaching 30%. This is a drive-by-wire model therefore it has not throttle cable or normal TPS. I agree to the TPS is integrated gone the throttle controller/motor. Mechanic s Assistant: all else you desire the mechanic to know past I link up you? No, I guess that is it.
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I did re-check them tho. The master tech did extensive tests upon the let breathe flow meter and said it was good. once I unplug it and direct the motor, the car runs rough and at 850ish. I can unaided guess that my extra rebuilt ecu has an issue, or the tps needs to be re-adjusted, or anyhow my maf has died in the midst of every this. I don't think the tps has that much run in the interchange of rpm though? I think it unaided adjusts it not far off from 1k..
later I start the car, the engine surges up in the midst of 1200 and 2000 rpm incite and forth. I misrepresented the IAC and the TPS gone no tweak in symptoms. I have noticed that several Lexus SC's have this thesame issue. Prior to this I would have to familiarize the idle swiftness screw to humiliate the rpm and it would withhold for a while. Now, the engine is for all time surging to the point where I cannot steer it for distress signal of broken to the steer train. Any experienced solution?
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