Jeep Grand Cherokee Wiring Diagram

I have a 2004 ES330 in imitation of a hestitation problem. It is fine from a full stop but gone I go roughly speaking turns upon onto highway ramps, like I afflict the accellarator (sp?) it hesitates for 2 seconds past reving up. I ve taken it to a mechanic and he says it is normal. I have an 2003 Avalon when the same engine and it jumps off the begin and has no hesitation. Mechanic s Assistant: Will the headlights point on? Is the battery sufficiently charged? With or without headlights on. Relatively other 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. past I put my Turbo OBDII app on, all seems good except that the TPS stays constant concerning 30%. This is a drive-by-wire model thus it has not throttle cable or usual TPS. I acknowledge the TPS is integrated gone the throttle controller/motor. Mechanic s Assistant: everything else you want the mechanic to know since I border you? No, I guess that is it.

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I started the car in the works this morning, it starts up and runs at 1750 and within a minute or therefore climbs greater than 2500.. It is management smooth though, just exaggeration far along than it should be. I with checked the throttle screw plate/return screw, intentionally turned it out and nothing changed. put it encourage to exactly where it was. No vacuum leak sounds and every connections verified. I air fine practically them as I've been in there a bunch of times..

This could be a large vacuum leak ,with the MAF joined it is lonesome measuring the freshen that is getting once the MAF, as a result if the intake manifold is sucking in freshen the expose to fuel ratio will be totally out and cause the engine to stall. If MAF is disconnected the engine goes into a limp measurement and lets the engine run. gone carb cleaner spray can spray in the place of the hissing later the engine running and behind you hear the engine stall or rev far along there is the leak ,could be a bad vacuum hose bad gasket on the manifold.

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