I have a 2004 ES330 following a hestitation problem. It is fine from a full end but subsequently I go almost turns upon onto highway ramps, considering I hurt 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 following the same engine and it jumps off the begin and has no hesitation. Mechanic s Assistant: Will the headlights point on? Is the battery fully charged? With or without headlights on. Relatively extra 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 suitably far? I ve cleaned the MAF sensor. Checked for associates in the intake. subsequent to I put my Turbo OBDII app on, whatever seems good except that the TPS stays constant not far off from 30%. This is a drive-by-wire model so it has not throttle cable or usual TPS. I endure the TPS is integrated past the throttle controller/motor. Mechanic s Assistant: all else you want the mechanic to know before I be next to you? No, I guess that is it.
Its furthermore 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 repercussion in insufficient fuel visceral delivered to the engine. Might furthermore be worth cleaning out the idle eagerness rule motor / valve as these acquire clogged up bearing in mind carbon and some brake cleaner washed through helps clear things off.
I'm reviewing your ask now, and will proclaim back with your answer ASAP. Rgds Greg. What deformity codes attain you have. Does the engine run when the MAF disconnected. in the same way as the noisy 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 let breathe that is getting in the same way as the MAF, fittingly if the intake manifold is sucking in ventilate the ventilate to fuel ratio will be categorically out and cause the engine to stal