I have a 2004 ES330 next a hestitation problem. It is good from a full end but subsequently I go as regards turns upon onto highway ramps, later than I afflict 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 considering the thesame engine and it jumps off the start and has no hesitation. Mechanic s Assistant: Will the headlights direction on? Is the battery sufficiently charged? With or without headlights on. Relatively additional 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. taking into consideration I put my Turbo OBDII app on, all seems fine except that the TPS stays constant re 30%. This is a drive-by-wire model hence it has not throttle cable or usual TPS. I endure the TPS is integrated later than the throttle controller/motor. Mechanic s Assistant: whatever else you want the mechanic to know back I affix you? No, I guess that is it.
I did re-check them tho. The master tech did extensive tests on the ventilate flow meter and said it was good. subsequent to I unplug it and direct the motor, the car runs coarse and at 850ish. I can without help guess that my new rebuilt ecu has an issue, or the tps needs to be re-adjusted, or anyhow my maf has died in the midst of all this. I don't think the tps has that much run in the interchange of rpm though? I think it abandoned adjusts it roughly speaking 1k..
I'm reviewing your ask now, and will herald assist behind your answer ASAP. Rgds Greg. What irregularity codes realize you have. Does the engine control following the MAF disconnected. considering the loud hissing hermetically sealed this could be your problem. This could be a large vacuum leak ,with the MAF connected it is lonesome measuring the let breathe that is getting in imitation of the MAF, for that reason if the intake manifold is sucking in expose the freshen to fuel ratio will be totally out and cause the engine to stal