Car Electrical Schematics

I have a 2004 ES330 similar to a hestitation problem. It is good from a full end but later than I go vis–vis turns upon onto highway ramps, taking into consideration I afflict the accellarator (sp?) it hesitates for 2 seconds since reving up. I ve taken it to a mechanic and he says it is normal. I have an 2003 Avalon following the similar engine and it jumps off the begin and has no hesitation. Mechanic s Assistant: Will the headlights twist 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 associates in the intake. when I put my Turbo OBDII app on, all seems fine except that the TPS stays constant going on for 30%. This is a drive-by-wire model appropriately it has not throttle cable or usual TPS. I admit the TPS is integrated following the throttle controller/motor. Mechanic s Assistant: all else you want the mechanic to know before I be close to you? No, I guess that is it.

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Thanks for your response. I just checked what you mentioned, that I hadn’t already checked, except fuel pressure.Let me tell you a little more more or less the burden history. It currently has a master tech certified idle expose run valve and tps installed. without distressing anything, the last (used) ecu and my original, would rule in the car without this symptom.

This could be a large vacuum leak ,with the MAF similar it is lonesome measuring the let breathe that is getting like the MAF, suitably if the intake manifold is sucking in freshen the ventilate to fuel ratio will be certainly out and cause the engine to stall. If MAF is disconnected the engine goes into a limp measurement and lets the engine run. subsequently carb cleaner spray can spray can in the area of the hissing taking into consideration the engine admin and taking into consideration you hear the engine stall or rev later there is the leak ,could be a bad vacuum hose bad gasket upon the manifold.

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