I have a 2004 ES330 similar to a hestitation problem. It is good from a full end but bearing in mind I go on the subject of turns on onto highway ramps, afterward I pain 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 taking into account the same engine and it jumps off the begin and has no hesitation. Mechanic s Assistant: Will the headlights turn on? Is the battery fully 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 therefore far? I ve cleaned the MAF sensor. Checked for links in the intake. afterward I put my Turbo OBDII app on, all seems good except that the TPS stays constant all but 30%. This is a drive-by-wire model for that reason it has not throttle cable or normal TPS. I understand the TPS is integrated with the throttle controller/motor. Mechanic s Assistant: everything else you desire the mechanic to know previously 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 on the let breathe flow meter and said it was good. taking into account I unplug it and run the motor, the car runs uncompromising and at 850ish. I can by yourself 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 run in the alternating of rpm though? I think it single-handedly adjusts it on 1k..
considering I begin the car, the engine surges in the works amongst 1200 and 2000 rpm assist and forth. I misrepresented the IAC and the TPS in the same way as no modify in symptoms. I have noticed that several Lexus SC's have this similar issue. Prior to this I would have to accustom yourself the idle swiftness screw to subjugate the rpm and it would keep for a while. Now, the engine is for ever and a day surging to the dwindling where I cannot drive it for apprehension of broken to the steer train. Any experienced solution?
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