I have a 2004 ES330 behind a hestitation problem. It is fine from a full end but gone I go as regards turns on onto highway ramps, taking into account I upset 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 following the thesame engine and it jumps off the begin and has no hesitation. Mechanic s Assistant: Will the headlights twist on? Is the battery abundantly charged? With or without headlights on. Relatively supplementary 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 associates in the intake. gone I put my Turbo OBDII app on, anything seems good except that the TPS stays constant concerning 30%. This is a drive-by-wire model appropriately it has not throttle cable or normal TPS. I tolerate the TPS is integrated in the manner of the throttle controller/motor. Mechanic s Assistant: all else you want the mechanic to know past I be close to you? No, I guess that is it.
I did re-check them tho. The master tech did extensive tests on the expose flow meter and said it was good. afterward I unplug it and manage the motor, the car runs argumentative and at 850ish. I can lonesome guess that my further rebuilt ecu has an issue, or the tps needs to be re-adjusted, or someway my maf has died in the midst of all this. I don’t think the tps has that much run in the alternative of rpm though? I think it isolated adjusts it regarding 1k..
This could be a large vacuum leak ,with the MAF united it is isolated measuring the air that is getting past the MAF, suitably if the intake manifold is sucking in let breathe the ventilate to fuel ratio will be completely out and cause the engine to stall. If MAF is disconnected the engine goes into a limp measurement and lets the engine run. like carb cleaner spray can spray in the place of the hissing later than the engine direction and taking into account you hear the engine stall or rev vanguard there is the leak ,could be a bad vacuum hose bad gasket on the manifold.
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