97 Maxima Engine Diagram

I have a 2004 ES330 later than a hestitation problem. It is fine from a full end but next I go something like turns on onto highway ramps, bearing in mind I hurt 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 behind the thesame engine and it jumps off the begin and has no hesitation. Mechanic s Assistant: Will the headlights tilt on? Is the battery abundantly charged? With or without headlights on. Relatively new 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 contacts in the intake. following I put my Turbo OBDII app on, all seems good except that the TPS stays constant all but 30%. This is a drive-by-wire model thus it has not throttle cable or normal TPS. I acknowledge the TPS is integrated similar to the throttle controller/motor. Mechanic s Assistant: anything else you desire the mechanic to know since I link up you? No, I guess that is it.

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Might furthermore be worth checking the wiring and connector to the airflow meter for any signs of corrosion or damage. you can complete a fast defect locate if you unplug the meter and govern the engine without it. if the engine condition is the similar later chances are the meter or the attachment to it is faulty. Its in addition to worth cleaning the MAF sensor wires, as they can acquire coated in the manner of dirt beyond era which later offsets the reading. Use some admittance cleaner or brake cleaner to spray can onto the wires to separate the dirt on no account be adjacent to the wires considering all as they are totally fragile

This could be a large vacuum leak ,with the MAF similar it is lonely measuring the let breathe that is getting bearing in mind the MAF, as a result if the intake manifold is sucking in expose the let breathe to fuel ratio will be no question out and cause the engine to stall. If MAF is disconnected the engine goes into a limp measurement and lets the engine run. later than carb cleaner spray spray can in the area of the hissing with the engine running and afterward you listen the engine stall or rev far along there is the leak ,could be a bad vacuum hose bad gasket upon the manifold.

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