Freightliner Wiring Diagram

I have a 2004 ES330 in the manner of a hestitation problem. It is fine from a full stop but as soon as I go just about turns on onto highway ramps, taking into consideration I upset 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 like the similar engine and it jumps off the start and has no hesitation. Mechanic s Assistant: Will the headlights tilt on? Is the battery fully 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 appropriately far? I ve cleaned the MAF sensor. Checked for connections in the intake. once I put my Turbo OBDII app on, whatever seems fine except that the TPS stays constant roughly 30%. This is a drive-by-wire model consequently it has not throttle cable or normal TPS. I bow to the TPS is integrated following the throttle controller/motor. Mechanic s Assistant: everything else you desire the mechanic to know before I attach you? No, I guess that is it.

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Its after that worth getting the fuel pressure checked as if this is low due to a blocked filter or faulty regulator or even a ill pump will every result in insufficient fuel inborn delivered to the engine. Might as well as be worth cleaning out the idle rapidity rule motor / valve as these acquire clogged in the works behind carbon and some brake cleaner washed through helps release things off.

following I begin the car, the engine surges occurring between 1200 and 2000 rpm assist and forth. I tainted the IAC and the TPS taking into account no correct in symptoms. I have noticed that several Lexus SC's have this same issue. Prior to this I would have to familiarize the idle keenness screw to lower the rpm and it would withhold for a while. Now, the engine is constantly surging to the reduction where I cannot steer it for fear of damage to the steer train. Any experienced solution?

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