HI, The belly bumper lid has to come off as a couple of belittle headlamp assembly bolts are located in back it. Here are directions please remember to rate help using the rating page hence that I may get credit. Thanks
Might in addition to be worth checking the wiring and connector to the airflow meter for any signs of corrosion or damage. you can realize a fast deformity find if you unplug the meter and govern the engine without it. if the engine condition is the thesame subsequently chances are the meter or the link to it is faulty. Its furthermore worth cleaning the MAF sensor wires, as they can acquire coated later dirt higher than mature which next offsets the reading. Use some contact cleaner or brake cleaner to spray onto the wires to separate the dirt on no account lie alongside the wires bearing in mind everything as they are certainly fragile
similar to I start the car, the engine surges occurring surrounded by 1200 and 2000 rpm incite and forth. I tainted the IAC and the TPS behind no fine-tune in symptoms. I have noticed that several Lexus SC's have this similar issue. Prior to this I would have to accustom yourself the idle swiftness screw to demean the rpm and it would preserve for a while. Now, the engine is for all time surging to the point where I cannot steer it for danger signal of broken to the drive train. Any experienced solution?