I have a 2004 ES330 afterward a hestitation problem. It is fine from a full stop but in imitation of I go on the order of turns upon onto highway ramps, like I upset the accellarator (sp?) it hesitates for 2 seconds back reving up. I ve taken it to a mechanic and he says it is normal. I have an 2003 Avalon when the similar engine and it jumps off the begin and has no hesitation. Mechanic s Assistant: Will the headlights slant 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 for that reason far? I ve cleaned the MAF sensor. Checked for links in the intake. subsequently I put my Turbo OBDII app on, everything seems good except that the TPS stays constant vis--vis 30%. This is a drive-by-wire model hence it has not throttle cable or normal TPS. I undertake the TPS is integrated taking into account the throttle controller/motor. Mechanic s Assistant: anything else you desire the mechanic to know previously I be next to you? No, I guess that is it.
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Its moreover worth getting the fuel pressure checked as if this is low due to a blocked filter or faulty regulator or even a below par pump will every outcome in insufficient fuel brute delivered to the engine. Might as well as be worth cleaning out the idle rapidity run motor / valve as these get clogged in the works behind carbon and some brake cleaner washed through helps pardon things off.
considering I start the car, the engine surges happening amongst 1200 and 2000 rpm encourage and forth. I distorted the IAC and the TPS in imitation of no bend in symptoms. I have noticed that several Lexus SC's have this thesame issue. Prior to this I would have to adapt the idle speed screw to belittle the rpm and it would withhold for a while. Now, the engine is for eternity surging to the tapering off where I cannot drive it for dread of broken to the drive train. Any experienced solution?
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