I have a 2004 ES330 taking into consideration a hestitation problem. It is fine from a full end but like I go in relation to turns upon onto highway ramps, taking into consideration I distress the accellarator (sp?) it hesitates for 2 seconds previously reving up. I ve taken it to a mechanic and he says it is normal. I have an 2003 Avalon past the similar engine and it jumps off the begin and has no hesitation. Mechanic s Assistant: Will the headlights slant on? Is the battery sufficiently 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 consequently far? I ve cleaned the MAF sensor. Checked for connections in the intake. taking into account I put my Turbo OBDII app on, everything seems good except that the TPS stays constant just about 30%. This is a drive-by-wire model therefore it has not throttle cable or normal TPS. I assume the TPS is integrated later the throttle controller/motor. Mechanic s Assistant: anything else you desire the mechanic to know in the past I border 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 freshen flow meter and said it was good. later than I unplug it and direct the motor, the car runs rough and at 850ish. I can without help guess that my supplementary rebuilt ecu has an issue, or the tps needs to be re-adjusted, or somehow my maf has died in the midst of every this. I don't think the tps has that much manage in the stand-in of rpm though? I think it forlorn adjusts it not far off from 1k..
bearing in mind I begin the car, the engine surges happening amongst 1200 and 2000 rpm encourage and forth. I changed the IAC and the TPS behind no change in symptoms. I have noticed that several Lexus SC's have this same issue. Prior to this I would have to accustom yourself the idle zeal screw to degrade the rpm and it would support for a while. Now, the engine is every time surging to the reduction where I cannot steer it for panic of broken to the drive train. Any experienced solution?
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