I have a 2004 ES330 taking into consideration a hestitation problem. It is fine from a full end but following I go concerning turns on onto highway ramps, past I pain 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 subsequently the similar engine and it jumps off the begin and has no hesitation. Mechanic s Assistant: Will the headlights position on? Is the battery sufficiently 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 associates in the intake. gone I put my Turbo OBDII app on, whatever seems fine except that the TPS stays constant something like 30%. This is a drive-by-wire model appropriately it has not throttle cable or usual TPS. I say yes the TPS is integrated afterward the throttle controller/motor. Mechanic s Assistant: all else you want the mechanic to know before I link up you? No, I guess that is it.
Its as well as 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 every outcome in insufficient fuel physical delivered to the engine. Might then be worth cleaning out the idle keenness control motor / valve as these get clogged occurring considering carbon and some brake cleaner washed through helps pardon things off.
I'm reviewing your ask now, and will make known encourage taking into consideration your answer ASAP. Rgds Greg. What deviation codes do you have. Does the engine control taking into consideration the MAF disconnected. bearing in mind the noisy hissing sound this could be your problem. This could be a large vacuum leak ,with the MAF related it is by yourself measuring the expose that is getting later than the MAF, so if the intake manifold is sucking in expose the let breathe to fuel ratio will be very out and cause the engine to stal