Allison Transmission Wiring Diagram

I have a 2004 ES330 considering a hestitation problem. It is good from a full end but like I go in relation to turns upon onto highway ramps, once I afflict the accellarator (sp?) it hesitates for 2 seconds in the past reving up. I ve taken it to a mechanic and he says it is normal. I have an 2003 Avalon following the similar engine and it jumps off the begin and has no hesitation. Mechanic s Assistant: Will the headlights perspective 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 therefore far? I ve cleaned the MAF sensor. Checked for associates in the intake. like I put my Turbo OBDII app on, whatever seems fine except that the TPS stays constant on the order of 30%. This is a drive-by-wire model thus it has not throttle cable or usual TPS. I assume the TPS is integrated gone the throttle controller/motor. Mechanic s Assistant: everything else you desire the mechanic to know past I connect 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 tell you a tiny more more or less the suffering history. It currently has a master tech approved idle ventilate run valve and tps installed. without moving anything, the last (used) ecu and my original, would manage in the car without this symptom.

have you looked into throttle body coking and/or combustion chamber/valve carbon buildup? are you in the works 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 stirring and is warmed up? oftentimes in engine play many factors may cause the thesame symptom(s)

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