Wiring Diagram 2003 Chevy Express Van

I have a 2004 ES330 once a hestitation problem. It is fine from a full end but in the same way as I go with reference to turns upon onto highway ramps, next I pain 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 taking into consideration the thesame engine and it jumps off the begin and has no hesitation. Mechanic s Assistant: Will the headlights twist on? Is the battery sufficiently charged? With or without headlights on. Relatively further 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 as a result far? I ve cleaned the MAF sensor. Checked for contacts in the intake. with I put my Turbo OBDII app on, all seems fine except that the TPS stays constant approximately 30%. This is a drive-by-wire model as a result it has not throttle cable or normal TPS. I bow to the TPS is integrated taking into account the throttle controller/motor. Mechanic s Assistant: everything else you want the mechanic to know since I border 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 little more just about the misfortune history. It currently has a master tech recognized idle expose run valve and tps installed. without heartwarming anything, the last (used) ecu and my original, would govern in the car without this symptom.

I don't have any check engine lights unless I unplug the MAF sensor. in the same way as the MAF is plugged in then the car will stall unless I put my foot upon the accelerator. There is after that an intermittent popping strong coming at idle.

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