Peterbilt 379 Headlight Wiring Diagram

I have a 2004 ES330 past a hestitation problem. It is good from a full end but afterward I go vis--vis turns upon onto highway ramps, next I pain 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 following the same engine and it jumps off the start and has no hesitation. Mechanic s Assistant: Will the headlights perspective on? Is the battery thoroughly charged? With or without headlights on. Relatively additional 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 so far? I ve cleaned the MAF sensor. Checked for connections in the intake. as soon as I put my Turbo OBDII app on, everything seems fine except that the TPS stays constant around 30%. This is a drive-by-wire model hence it has not throttle cable or usual TPS. I undertake the TPS is integrated later than the throttle controller/motor. Mechanic s Assistant: everything else you want the mechanic to know before I be next to you? No, I guess that is it.

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Might plus be worth checking the wiring and connector to the airflow meter for any signs of corrosion or damage. you can complete a fast defect find if you unplug the meter and govern the engine without it. if the engine condition is the thesame next chances are the meter or the link to it is faulty. Its plus worth cleaning the MAF sensor wires, as they can acquire coated later than dirt over time which subsequently offsets the reading. Use some gate cleaner or brake cleaner to spray onto the wires to cut off the dirt upon no account lie alongside the wires next anything as they are unquestionably fragile

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

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