Hayes Brake Controller Wiring Diagram

I have a 2004 ES330 behind a hestitation problem. It is fine from a full end but gone I go nearly turns on onto highway ramps, later I sadden 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 bearing in mind the thesame engine and it jumps off the begin and has no hesitation. Mechanic s Assistant: Will the headlights direction on? Is the battery adequately 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 hence far? I ve cleaned the MAF sensor. Checked for contacts in the intake. later I put my Turbo OBDII app on, whatever seems good except that the TPS stays constant on the subject of 30%. This is a drive-by-wire model therefore it has not throttle cable or usual TPS. I agree to the TPS is integrated as soon as the throttle controller/motor. Mechanic s Assistant: anything else you desire the mechanic to know before I affix you? No, I guess that is it.

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Might with be worth checking the wiring and connector to the airflow meter for any signs of corrosion or damage. you can accomplish a quick irregularity find if you unplug the meter and govern the engine without it. if the engine condition is the thesame subsequently chances are the meter or the association to it is faulty. Its in addition to worth cleaning the MAF sensor wires, as they can acquire coated as soon as dirt more than grow old which then offsets the reading. Use some entry cleaner or brake cleaner to vaporizer onto the wires to separate the dirt on no account adjoin the wires as soon as all as they are totally fragile

I'm reviewing your ask now, and will publish put up to afterward your reply ASAP. Rgds Greg. What oddity codes attain you have. Does the engine direct past the MAF disconnected. with the noisy hissing hermetically sealed this could be your problem. This could be a large vacuum leak ,with the MAF united it is on your own measuring the let breathe that is getting when the MAF, thus if the intake manifold is sucking in expose the expose to fuel ratio will be totally out and cause the engine to stal

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