I have a 2004 ES330 similar to a hestitation problem. It is fine from a full end but in the same way as I go roughly turns on onto highway ramps, once I afflict 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 in imitation of the same engine and it jumps off the start and has no hesitation. Mechanic s Assistant: Will the headlights point on? Is the battery thoroughly 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 therefore far? I ve cleaned the MAF sensor. Checked for links in the intake. later than I put my Turbo OBDII app on, all seems good except that the TPS stays constant roughly speaking 30%. This is a drive-by-wire model appropriately it has not throttle cable or usual TPS. I undertake the TPS is integrated when the throttle controller/motor. Mechanic s Assistant: anything else you desire the mechanic to know previously I affix you? No, I guess that is it.
Its with worth getting the fuel pressure checked as if this is low due to a blocked filter or faulty regulator or even a sick pump will all outcome in insufficient fuel being delivered to the engine. Might with be worth cleaning out the idle speed run motor / valve as these get clogged up subsequently carbon and some brake cleaner washed through helps forgive things off.
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