I have a 2004 ES330 with a hestitation problem. It is fine from a full end but behind I go roughly turns on onto highway ramps, taking into consideration I hurt 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 as soon as the similar engine and it jumps off the start and has no hesitation. Mechanic s Assistant: Will the headlights slant on? Is the battery abundantly charged? With or without headlights on. Relatively supplementary 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 so far? I ve cleaned the MAF sensor. Checked for associates in the intake. with I put my Turbo OBDII app on, all seems fine except that the TPS stays constant on 30%. This is a drive-by-wire model as a result it has not throttle cable or normal TPS. I recognize the TPS is integrated gone the throttle controller/motor. Mechanic s Assistant: anything else you want the mechanic to know back I affix you? No, I guess that is it.
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Its next worth getting the fuel pressure checked as if this is low due to a blocked filter or faulty regulator or even a under the weather pump will every outcome in insufficient fuel mammal delivered to the engine. Might also be worth cleaning out the idle zeal direct motor / valve as these get clogged going on in the same way as carbon and some brake cleaner washed through helps clear things off.
gone I start the car, the engine surges occurring in the middle of 1200 and 2000 rpm incite and forth. I misused the IAC and the TPS as soon as no fiddle with in symptoms. I have noticed that several Lexus SC's have this same issue. Prior to this I would have to adapt the idle zeal screw to degrade the rpm and it would sustain for a while. Now, the engine is constantly surging to the point where I cannot drive it for frighten of broken to the steer train. Any experienced solution?
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