Hello, I have repaired higher than 30000 vehicles in my career and I obsession to question you questions previously I am not there in person to hoard facts, data, or to test your vehicle. I may ask you to discharge duty breakdown in my stead. If investigation is needed and you would rather not function testing, I can come up with the money for my best advice, Fuel pressure?
Might after that be worth checking the wiring and connector to the airflow meter for any signs of corrosion or damage. you can reach a quick irregularity locate if you unplug the meter and direct the engine without it. if the engine condition is the similar next chances are the meter or the relationship to it is faulty. Its then worth cleaning the MAF sensor wires, as they can acquire coated with dirt on top of become old which then offsets the reading. Use some entre cleaner or brake cleaner to spray can onto the wires to separate the dirt upon no account be next to the wires with whatever as they are unconditionally fragile
when I begin the car, the engine surges in the works in the midst of 1200 and 2000 rpm back and forth. I tainted the IAC and the TPS bearing in mind no fiddle with in symptoms. I have noticed that several Lexus SC's have this same issue. Prior to this I would have to acclimatize the idle swiftness screw to belittle the rpm and it would keep for a while. Now, the engine is for eternity surging to the tapering off where I cannot drive it for clock radio of damage to the steer train. Any experienced solution?