I have a 2004 ES330 once a hestitation problem. It is good from a full stop but subsequent to I go nearly turns on onto highway ramps, taking into consideration I sadden 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 like the similar engine and it jumps off the begin and has no hesitation. Mechanic s Assistant: Will the headlights point of view on? Is the battery abundantly 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 appropriately far? I ve cleaned the MAF sensor. Checked for associates in the intake. taking into account I put my Turbo OBDII app on, anything seems good except that the TPS stays constant roughly 30%. This is a drive-by-wire model as a result it has not throttle cable or usual TPS. I undertake the TPS is integrated taking into account the throttle controller/motor. Mechanic s Assistant: anything else you desire the mechanic to know before 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 on the ventilate flow meter and said it was good. considering I unplug it and direct the motor, the car runs coarse and at 850ish. I can unaided guess that my extra rebuilt ecu has an issue, or the tps needs to be re-adjusted, or somehow my maf has died in the midst of all this. I don't think the tps has that much run in the alternative of rpm though? I think it without help adjusts it regarding 1k..
similar to I begin the car, the engine surges in the works amongst 1200 and 2000 rpm assist and forth. I changed the IAC and the TPS in imitation of no alter in symptoms. I have noticed that several Lexus SC's have this similar issue. Prior to this I would have to familiarize the idle eagerness screw to belittle the rpm and it would withhold for a while. Now, the engine is forever surging to the point where I cannot drive it for startle of broken to the steer train. Any experienced solution?
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