Hello, I have repaired on top of 30000 vehicles in my career and I need to ask you questions in the past I am not there in person to gather together facts, data, or to test your vehicle. I may ask you to action examination in my stead. If breakdown is needed and you would rather not play a part testing, I can present my best advice, Fuel pressure?
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Might with be worth checking the wiring and connector to the airflow meter for any signs of corrosion or damage. you can do a fast aberration locate 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 membership to it is faulty. Its after that worth cleaning the MAF sensor wires, as they can get coated subsequently dirt beyond epoch which then offsets the reading. Use some admission cleaner or brake cleaner to vaporizer onto the wires to cut off the dirt upon no account be adjacent to the wires with whatever as they are definitely fragile
afterward I begin the car, the engine surges in the works with 1200 and 2000 rpm put up to and forth. I tainted the IAC and the TPS following no modify in symptoms. I have noticed that several Lexus SC's have this thesame issue. Prior to this I would have to familiarize the idle enthusiasm screw to humiliate the rpm and it would preserve for a while. Now, the engine is every time surging to the dwindling where I cannot steer it for unease of broken to the steer train. Any experienced solution?
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