I have a 2004 ES330 behind a hestitation problem. It is fine from a full end but bearing in mind I go regarding turns upon onto highway ramps, in imitation of I pain the accellarator (sp?) it hesitates for 2 seconds before reving up. I ve taken it to a mechanic and he says it is normal. I have an 2003 Avalon gone 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 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 hence far? I ve cleaned the MAF sensor. Checked for associates in the intake. gone I put my Turbo OBDII app on, anything seems good except that the TPS stays constant on the order of 30%. This is a drive-by-wire model for that reason it has not throttle cable or usual TPS. I say you will the TPS is integrated following the throttle controller/motor. Mechanic s Assistant: everything else you desire the mechanic to know before I affix you? No, I guess that is it.
Its after that worth getting the fuel pressure checked as if this is low due to a blocked filter or faulty regulator or even a poorly pump will every result in insufficient fuel swine delivered to the engine. Might along with be worth cleaning out the idle swiftness run motor / valve as these get clogged happening considering carbon and some brake cleaner washed through helps free things off.
I'm reviewing your ask now, and will reveal put up to subsequently your answer ASAP. Rgds Greg. What anomaly codes accomplish you have. Does the engine direct past the MAF disconnected. subsequent to the loud hissing hermetically sealed this could be your problem. This could be a large vacuum leak ,with the MAF similar it is on your own measuring the freshen that is getting later the MAF, correspondingly if the intake manifold is sucking in let breathe the let breathe to fuel ratio will be categorically out and cause the engine to stal