350 Hei Spark Plug Wiring Diagram

HI, The stomach bumper cover has to come off as a couple of degrade headlamp assembly bolts are located behind it. Here are directions make smile recall to rate minister to using the rating page as a result that I may get credit. Thanks

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Might along with be worth checking the wiring and connector to the airflow meter for any signs of corrosion or damage. you can complete a fast oddity locate if you unplug the meter and direct the engine without it. if the engine condition is the same subsequently chances are the meter or the attachment to it is faulty. Its as a consequence worth cleaning the MAF sensor wires, as they can acquire coated later dirt exceeding period which after that offsets the reading. Use some entrance cleaner or brake cleaner to spray can onto the wires to surgically remove the dirt on no account touch the wires bearing in mind anything as they are totally fragile

subsequent to I start the car, the engine surges in the works along with 1200 and 2000 rpm urge on and forth. I distorted the IAC and the TPS in imitation of no modify in symptoms. I have noticed that several Lexus SC's have this same issue. Prior to this I would have to adapt the idle promptness screw to degrade the rpm and it would support for a while. Now, the engine is for all time surging to the narrowing where I cannot steer it for anxiety of damage to the drive train. Any experienced solution?

Picture Schematics for 350 hei spark plug wiring diagram

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