I have a 2004 ES330 in the manner of a hestitation problem. It is good from a full end but taking into account I go on turns on onto highway ramps, later I upset 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 slope on? Is the battery fully charged? With or without headlights on. Relatively further 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. similar to I put my Turbo OBDII app on, whatever seems fine except that the TPS stays constant around 30%. This is a drive-by-wire model suitably it has not throttle cable or normal TPS. I acknowledge the TPS is integrated taking into account the throttle controller/motor. Mechanic s Assistant: whatever else you want the mechanic to know past I link up you? No, I guess that is it.
Its afterward worth getting the fuel pressure checked as if this is low due to a blocked filter or faulty regulator or even a not at your best pump will every repercussion in insufficient fuel being delivered to the engine. Might in addition to be worth cleaning out the idle quickness run motor / valve as these get clogged occurring later than carbon and some brake cleaner washed through helps release things off.
gone I start the car, the engine surges taking place with 1200 and 2000 rpm put up to and forth. I misrepresented the IAC and the TPS next no change in symptoms. I have noticed that several Lexus SC's have this same issue. Prior to this I would have to accustom yourself the idle zeal screw to humiliate the rpm and it would keep for a while. Now, the engine is constantly surging to the narrowing where I cannot steer it for panic of damage to the steer train. Any experienced solution?