Wiring Diagram Volkswagen T4

I have a 2004 ES330 afterward a hestitation problem. It is good from a full end but next I go on the order of turns on onto highway ramps, next I depress the accellarator (sp?) it hesitates for 2 seconds in the past reving up. I ve taken it to a mechanic and he says it is normal. I have an 2003 Avalon later than the thesame 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 extra 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 in view of that far? I ve cleaned the MAF sensor. Checked for links in the intake. as soon as I put my Turbo OBDII app on, whatever seems good except that the TPS stays constant approximately 30%. This is a drive-by-wire model fittingly it has not throttle cable or normal TPS. I bow to the TPS is integrated subsequently the throttle controller/motor. Mechanic s Assistant: whatever else you desire the mechanic to know past I be close to you? No, I guess that is it.

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I started the car occurring this morning, it starts happening and runs at 1750 and within a minute or so climbs over 2500.. It is dealing out smooth though, just pretentiousness well ahead than it should be. I along with checked the throttle screw plate/return screw, with intent turned it out and nothing changed. put it support to exactly where it was. No vacuum leak sounds and every associates verified. I vibes fine nearly them as I've been in there a bunch of times..

This could be a large vacuum leak ,with the MAF linked it is forlorn measuring the ventilate that is getting bearing in mind the MAF, in view of that if the intake manifold is sucking in ventilate the ventilate to fuel ratio will be unquestionably out and cause the engine to stall. If MAF is disconnected the engine goes into a limp measurement and lets the engine run. when carb cleaner vaporizer spray can in the area of the hissing taking into account the engine government and afterward you listen the engine stall or rev well ahead there is the leak ,could be a bad vacuum hose bad gasket upon the manifold.

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