Wiring Switch Power At Light

I have a 2004 ES330 considering a hestitation problem. It is fine from a full stop but once I go on turns on onto highway ramps, subsequently I upset the accellarator (sp?) it hesitates for 2 seconds back reving up. I ve taken it to a mechanic and he says it is normal. I have an 2003 Avalon with the similar engine and it jumps off the begin and has no hesitation. Mechanic s Assistant: Will the headlights perspective 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 fittingly far? I ve cleaned the MAF sensor. Checked for contacts in the intake. in the manner of I put my Turbo OBDII app on, anything seems fine except that the TPS stays constant roughly speaking 30%. This is a drive-by-wire model thus it has not throttle cable or normal TPS. I assume the TPS is integrated next the throttle controller/motor. Mechanic s Assistant: all else you want the mechanic to know back I be close to you? No, I guess that is it.

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Might then be worth checking the wiring and connector to the airflow meter for any signs of corrosion or damage. you can attain a quick malformation locate if you unplug the meter and run the engine without it. if the engine condition is the same subsequently chances are the meter or the association to it is faulty. Its as well as worth cleaning the MAF sensor wires, as they can acquire coated similar to dirt higher than epoch which later offsets the reading. Use some gate cleaner or brake cleaner to vaporizer onto the wires to remove the dirt on no account lie alongside the wires in imitation of anything as they are certainly fragile

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

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