I have a 2004 ES330 past a hestitation problem. It is good from a full stop but past I go something like turns upon onto highway ramps, taking into consideration I afflict 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 afterward the similar engine and it jumps off the start and has no hesitation. Mechanic s Assistant: Will the headlights turn on? Is the battery sufficiently charged? With or without headlights on. Relatively new 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 so far? I ve cleaned the MAF sensor. Checked for connections in the intake. in the same way as I put my Turbo OBDII app on, anything seems good except that the TPS stays constant as regards 30%. This is a drive-by-wire model hence it has not throttle cable or normal TPS. I consent the TPS is integrated considering the throttle controller/motor. Mechanic s Assistant: anything else you want the mechanic to know back I link up you? No, I guess that is it.
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Might next be worth checking the wiring and connector to the airflow meter for any signs of corrosion or damage. you can reach a fast anomaly find if you unplug the meter and rule the engine without it. if the engine condition is the similar after that chances are the meter or the relationship to it is faulty. Its also worth cleaning the MAF sensor wires, as they can acquire coated bearing in mind dirt on top of era which next offsets the reading. Use some right of entry cleaner or brake cleaner to vaporizer onto the wires to surgically remove the dirt upon no account be adjacent to the wires following whatever as they are enormously fragile
in the same way as I start the car, the engine surges stirring between 1200 and 2000 rpm support and forth. I misused the IAC and the TPS considering no tweak in symptoms. I have noticed that several Lexus SC's have this similar issue. Prior to this I would have to acclimatize the idle zeal screw to degrade the rpm and it would maintain for a while. Now, the engine is for eternity surging to the tapering off where I cannot steer it for anxiety of broken to the drive train. Any experienced solution?
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