I have a 2004 ES330 in the manner of a hestitation problem. It is good from a full end but subsequently I go a propos turns on onto highway ramps, once I distress 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 past the thesame engine and it jumps off the start and has no hesitation. Mechanic s Assistant: Will the headlights position on? Is the battery thoroughly charged? With or without headlights on. Relatively further 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 thus far? I ve cleaned the MAF sensor. Checked for connections in the intake. in imitation of I put my Turbo OBDII app on, everything seems fine except that the TPS stays constant all but 30%. This is a drive-by-wire model consequently 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 desire the mechanic to know past I be next to you? No, I guess that is it.
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I did re-check them tho. The master tech did extensive tests on the freshen flow meter and said it was good. with I unplug it and govern the motor, the car runs argumentative and at 850ish. I can abandoned guess that my further 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 control in the different of rpm though? I think it lonesome adjusts it just about 1k..
once I start the car, the engine surges taking place along with 1200 and 2000 rpm back and forth. I untouched the IAC and the TPS subsequently no correct in symptoms. I have noticed that several Lexus SC's have this similar issue. Prior to this I would have to get used to the idle keenness screw to subjugate the rpm and it would preserve for a while. Now, the engine is until the end of time surging to the lessening where I cannot drive it for warning of damage to the steer train. Any experienced solution?
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