I have a 2004 ES330 subsequent to a hestitation problem. It is fine from a full stop but afterward I go more or less turns upon onto highway ramps, later than 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 in the manner of the thesame engine and it jumps off the start and has no hesitation. Mechanic s Assistant: Will the headlights slant on? Is the battery adequately 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 hence far? I ve cleaned the MAF sensor. Checked for connections in the intake. like I put my Turbo OBDII app on, whatever seems good except that the TPS stays constant regarding 30%. This is a drive-by-wire model suitably it has not throttle cable or usual TPS. I agree to the TPS is integrated afterward the throttle controller/motor. Mechanic s Assistant: anything else you desire the mechanic to know since 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 ventilate flow meter and said it was good. with I unplug it and control the motor, the car runs aggressive and at 850ish. I can lonesome 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 direct in the interchange of rpm though? I think it isolated adjusts it on the order of 1k..
have you looked into throttle body coking and/or combustion chamber/valve carbon buildup? are you happening to date upon all maintenance; spark plugs fuel filter pcv vlave etc? have you performed a visual inspection and listened to engine as it warms in the works and is warmed up? oftentimes in engine perform many factors may cause the thesame symptom(s)
Image Schematics for avionics wiring diagram
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