I have a 2004 ES330 with a hestitation problem. It is fine from a full stop but behind I go not far off from turns upon onto highway ramps, in the same way as I hurt the accellarator (sp?) it hesitates for 2 seconds since reving up. I ve taken it to a mechanic and he says it is normal. I have an 2003 Avalon later the similar engine and it jumps off the begin and has no hesitation. Mechanic s Assistant: Will the headlights viewpoint on? Is the battery adequately 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 correspondingly far? I ve cleaned the MAF sensor. Checked for associates in the intake. when I put my Turbo OBDII app on, anything seems fine except that the TPS stays constant regarding 30%. This is a drive-by-wire model so it has not throttle cable or usual TPS. I acknowledge the TPS is integrated behind the throttle controller/motor. Mechanic s Assistant: all else you desire the mechanic to know since I affix you? No, I guess that is it.
Might afterward be worth checking the wiring and connector to the airflow meter for any signs of corrosion or damage. you can complete a fast irregularity 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 attachment to it is faulty. Its plus worth cleaning the MAF sensor wires, as they can get coated subsequently dirt greater than era which subsequently offsets the reading. Use some gate cleaner or brake cleaner to vaporizer onto the wires to sever the dirt on no account adjoin the wires considering anything as they are unquestionably fragile
have you looked into throttle body coking and/or combustion chamber/valve carbon buildup? are you occurring to date on every maintenance; spark plugs fuel filter pcv vlave etc? have you performed a visual inspection and listened to engine as it warms occurring and is warmed up? oftentimes in engine put-on many factors may cause the thesame symptom(s)