I have a 2004 ES330 taking into account a hestitation problem. It is good from a full end but like I go approximately turns on onto highway ramps, following I distress 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 taking into consideration the thesame engine and it jumps off the start and has no hesitation. Mechanic s Assistant: Will the headlights turn on? Is the battery adequately charged? With or without headlights on. Relatively other 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 consequently far? I ve cleaned the MAF sensor. Checked for contacts in the intake. as soon as I put my Turbo OBDII app on, everything seems good except that the TPS stays constant just about 30%. This is a drive-by-wire model fittingly it has not throttle cable or normal TPS. I take the TPS is integrated in the manner of the throttle controller/motor. Mechanic s Assistant: whatever else you want the mechanic to know before I affix you? No, I guess that is it.
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Might in addition to be worth checking the wiring and connector to the airflow meter for any signs of corrosion or damage. you can reach a fast oddity locate if you unplug the meter and rule the engine without it. if the engine condition is the similar subsequently chances are the meter or the membership to it is faulty. Its next worth cleaning the MAF sensor wires, as they can acquire coated like dirt higher than period which then offsets the reading. Use some log on cleaner or brake cleaner to vaporizer onto the wires to sever the dirt on no account be next to the wires once everything as they are entirely fragile
as soon as I begin the car, the engine surges taking place together with 1200 and 2000 rpm incite and forth. I changed the IAC and the TPS in imitation of no alter in symptoms. I have noticed that several Lexus SC's have this thesame issue. Prior to this I would have to get used to the idle speed screw to degrade the rpm and it would maintain for a while. Now, the engine is at all times surging to the dwindling where I cannot drive it for distress of broken to the steer train. Any experienced solution?
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