2003 Sportster Wiring Diagram

I have a 2004 ES330 past a hestitation problem. It is fine from a full end but later than I go approaching turns on onto highway ramps, as soon as I sadden the accellarator (sp?) it hesitates for 2 seconds before reving up. I ve taken it to a mechanic and he says it is normal. I have an 2003 Avalon once the same engine and it jumps off the begin and has no hesitation. Mechanic s Assistant: Will the headlights face on? Is the battery abundantly charged? With or without headlights on. Relatively supplementary 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 links in the intake. in the same way as I put my Turbo OBDII app on, everything seems fine except that the TPS stays constant on the subject of 30%. This is a drive-by-wire model as a result it has not throttle cable or usual TPS. I bow to the TPS is integrated past the throttle controller/motor. Mechanic s Assistant: all else you want the mechanic to know past I link up you? No, I guess that is it.

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Thanks for your response. I just checked what you mentioned, that I hadn’t already checked, except fuel pressure.Let me say you a tiny more roughly the suffering history. It currently has a master tech certified idle ventilate manage valve and tps installed. without touching anything, the last (used) ecu and my original, would run in the car without this symptom.

gone I start the car, the engine surges up amid 1200 and 2000 rpm back and forth. I distorted the IAC and the TPS next no fine-tune in symptoms. I have noticed that several Lexus SC’s have this thesame issue. Prior to this I would have to adapt the idle enthusiasm screw to humiliate the rpm and it would preserve for a while. Now, the engine is all the time surging to the reduction where I cannot steer it for fear of broken to the drive train. Any experienced solution?

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