I have a 2004 ES330 subsequently a hestitation problem. It is fine from a full stop but like I go not far off from turns upon onto highway ramps, considering 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 once the thesame engine and it jumps off the begin and has no hesitation. Mechanic s Assistant: Will the headlights twist on? Is the battery fully charged? With or without headlights on. Relatively other 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 fittingly far? I ve cleaned the MAF sensor. Checked for links in the intake. taking into consideration 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 therefore it has not throttle cable or normal TPS. I say you will the TPS is integrated past the throttle controller/motor. Mechanic s Assistant: anything else you want the mechanic to know back I be close to you? No, I guess that is it.
Its furthermore worth getting the fuel pressure checked as if this is low due to a blocked filter or faulty regulator or even a not at your best pump will all upshot in insufficient fuel beast delivered to the engine. Might after that be worth cleaning out the idle readiness control motor / valve as these acquire clogged going on taking into account carbon and some brake cleaner washed through helps free things off.
with I begin the car, the engine surges taking place amid 1200 and 2000 rpm encourage and forth. I tainted the IAC and the TPS taking into account no tweak in symptoms. I have noticed that several Lexus SC's have this same issue. Prior to this I would have to adapt the idle promptness screw to subjugate the rpm and it would hold for a while. Now, the engine is for eternity surging to the reduction where I cannot steer it for agitation of broken to the drive train. Any experienced solution?
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