How To Read Car Wiring Diagram Symbols

I have a 2004 ES330 similar to a hestitation problem. It is fine from a full stop but past I go not far off from turns upon onto highway ramps, subsequently I depress 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 later the similar engine and it jumps off the begin and has no hesitation. Mechanic s Assistant: Will the headlights slant on? Is the battery abundantly 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 so far? I ve cleaned the MAF sensor. Checked for friends in the intake. bearing in mind I put my Turbo OBDII app on, everything seems good except that the TPS stays constant regarding 30%. This is a drive-by-wire model fittingly it has not throttle cable or normal TPS. I endure the TPS is integrated subsequently the throttle controller/motor. Mechanic s Assistant: anything else you desire the mechanic to know previously I be close to 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. similar to I unplug it and run the motor, the car runs rasping and at 850ish. I can on your own guess that my new 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 rule in the interchange of rpm though? I think it lonely adjusts it roughly speaking 1k..

like I begin the car, the engine surges in the works amongst 1200 and 2000 rpm help and forth. I distorted the IAC and the TPS as soon as no amend in symptoms. I have noticed that several Lexus SC’s have this thesame issue. Prior to this I would have to acclimatize the idle eagerness screw to humiliate the rpm and it would maintain for a while. Now, the engine is constantly surging to the tapering off where I cannot steer it for dread of damage to the drive train. Any experienced solution?

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