I have a 2004 ES330 later than a hestitation problem. It is fine from a full end but following I go with reference to turns on onto highway ramps, subsequently I distress the accellarator (sp?) it hesitates for 2 seconds since reving up. I ve taken it to a mechanic and he says it is normal. I have an 2003 Avalon like the thesame engine and it jumps off the begin and has no hesitation. Mechanic s Assistant: Will the headlights face on? Is the battery sufficiently charged? With or without headlights on. Relatively further 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 for that reason far? I ve cleaned the MAF sensor. Checked for connections in the intake. following I put my Turbo OBDII app on, anything seems fine except that the TPS stays constant a propos 30%. This is a drive-by-wire model as a result it has not throttle cable or usual TPS. I say you will the TPS is integrated as soon as the throttle controller/motor. Mechanic s Assistant: anything else you want the mechanic to know before I connect you? No, I guess that is it.
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I did re-check them tho. The master tech did extensive tests on the let breathe flow meter and said it was good. in imitation of I unplug it and manage the motor, the car runs gruff and at 850ish. I can unaccompanied guess that my supplementary rebuilt ecu has an issue, or the tps needs to be re-adjusted, or someway my maf has died in the midst of all this. I don't think the tps has that much direct in the oscillate of rpm though? I think it solitary adjusts it almost 1k..
later than I start the car, the engine surges happening in the midst of 1200 and 2000 rpm back up and forth. I misused the IAC and the TPS later no bend in symptoms. I have noticed that several Lexus SC's have this similar issue. Prior to this I would have to familiarize the idle readiness screw to belittle the rpm and it would preserve for a while. Now, the engine is permanently surging to the reduction where I cannot steer it for alarm clock of broken to the drive train. Any experienced solution?
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