I have a 2004 ES330 considering a hestitation problem. It is fine from a full end but behind I go not far off from turns upon onto highway ramps, subsequently I distress the accellarator (sp?) it hesitates for 2 seconds past reving up. I ve taken it to a mechanic and he says it is normal. I have an 2003 Avalon taking into account the thesame engine and it jumps off the begin and has no hesitation. Mechanic s Assistant: Will the headlights slant on? Is the battery adequately charged? With or without headlights on. Relatively new 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 consequently far? I ve cleaned the MAF sensor. Checked for friends in the intake. subsequently I put my Turbo OBDII app on, everything seems fine except that the TPS stays constant not far off from 30%. This is a drive-by-wire model as a result it has not throttle cable or normal TPS. I take the TPS is integrated once the throttle controller/motor. Mechanic s Assistant: all else you want the mechanic to know back I be next to you? No, I guess that is it.
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Its plus worth getting the fuel pressure checked as if this is low due to a blocked filter or faulty regulator or even a in poor health pump will all outcome in insufficient fuel beast delivered to the engine. Might plus be worth cleaning out the idle readiness direct motor / valve as these get clogged going on subsequent to carbon and some brake cleaner washed through helps clear things off.
once I begin the car, the engine surges in the works amongst 1200 and 2000 rpm back and forth. I untouched the IAC and the TPS subsequently 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 speed screw to humiliate the rpm and it would keep for a while. Now, the engine is continuously surging to the dwindling where I cannot drive it for distress of broken to the steer train. Any experienced solution?
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