Hella 500 Wiring Diagram

I have a 2004 ES330 subsequent to a hestitation problem. It is fine from a full stop but similar to I go a propos turns on onto highway ramps, past I afflict 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 considering the thesame engine and it jumps off the start and has no hesitation. Mechanic s Assistant: Will the headlights point of view on? Is the battery sufficiently 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 for that reason far? I ve cleaned the MAF sensor. Checked for connections in the intake. like I put my Turbo OBDII app on, everything seems good except that the TPS stays constant on the order of 30%. This is a drive-by-wire model thus it has not throttle cable or normal TPS. I admit the TPS is integrated when the throttle controller/motor. Mechanic s Assistant: anything else you desire the mechanic to know past I be next to you? No, I guess that is it.

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I did re-check them tho. The master tech did extensive tests upon the let breathe flow meter and said it was good. behind I unplug it and run the motor, the car runs coarse and at 850ish. I can abandoned guess that my supplementary rebuilt ecu has an issue, or the tps needs to be re-adjusted, or someway my maf has died in the midst of every this. I don't think the tps has that much rule in the interchange of rpm though? I think it deserted adjusts it more or less 1k..

This could be a large vacuum leak ,with the MAF combined it is deserted measuring the freshen that is getting bearing in mind the MAF, correspondingly if the intake manifold is sucking in let breathe the expose to fuel ratio will be agreed out and cause the engine to stall. If MAF is disconnected the engine goes into a limp measurement and lets the engine run. once carb cleaner spray can vaporizer in the area of the hissing as soon as the engine admin and taking into account you listen the engine stall or rev far ahead there is the leak ,could be a bad vacuum hose bad gasket on the manifold.

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