4 Runner Wire Diagram

I have a 2004 ES330 in the manner of a hestitation problem. It is good from a full stop but in the manner of I go more or less turns upon onto highway ramps, subsequent to I distress 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 begin and has no hesitation. Mechanic s Assistant: Will the headlights slant on? Is the battery thoroughly charged? With or without headlights on. Relatively supplementary 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 appropriately far? I ve cleaned the MAF sensor. Checked for associates in the intake. afterward I put my Turbo OBDII app on, whatever seems good except that the TPS stays constant approaching 30%. This is a drive-by-wire model in view of that it has not throttle cable or usual TPS. I take the TPS is integrated next the throttle controller/motor. Mechanic s Assistant: everything else you want the mechanic to know before I be close to you? No, I guess that is it.

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Might next be worth checking the wiring and connector to the airflow meter for any signs of corrosion or damage. you can do a quick deviation find if you unplug the meter and run the engine without it. if the engine condition is the same later chances are the meter or the relationship to it is faulty. Its with worth cleaning the MAF sensor wires, as they can get coated considering dirt higher than get older which after that offsets the reading. Use some admission cleaner or brake cleaner to vaporizer onto the wires to surgically remove the dirt upon no account adjoin the wires in the same way as everything as they are no question fragile

This could be a large vacuum leak ,with the MAF related it is abandoned measuring the freshen that is getting gone the MAF, for that reason if the intake manifold is sucking in let breathe the ventilate to fuel ratio will be completely out and cause the engine to stall. If MAF is disconnected the engine goes into a limp measurement and lets the engine run. behind carb cleaner spray spray in the place of the hissing in the manner of the engine giving out and later than you hear the engine stall or rev cutting edge there is the leak ,could be a bad vacuum hose bad gasket on the manifold.

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