98 E350 Fuse Diagram

Hi, this car is kicking everyone s ass.. 92 lexus sc400. 128k. Super promote car that I am ready to steer off a cliff. had a idle surge misfortune that I researched online and did tests (per the manual) upon tps, iac and maf and cleaned the TB. After bothersome 2-3 stand-in used IAC s, I took it to the master tech at lexus. He said it was the IAC valve. He tried my used ones.. and finally a rebuilt one. still had issues. back to the dealer.. this mature he says, it needs a ECU. I did a lot of research upon them, and found that its a common misery when this car.. bought a used one.. more trouble. had the indigenous one rebuilt by a specialist.. and that s where I am at now.. Put it in tonight and the car idles at 2k rpm. Does the TPS infatuation to be re-adjusted? The master tech did all sorts of diagnostics upon every partnered parts (tps, maf, iac). $100-200 every time I acknowledge it get the dealer for diagnostics.. upon going problems are in fact adding together up. I m hesitant to touch the tps if he had it dialed. Any insight? Thanks in advance. Jason

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Might also be worth checking the wiring and connector to the airflow meter for any signs of corrosion or damage. you can reach a quick oddity locate if you unplug the meter and run the engine without it. if the engine condition is the thesame subsequently chances are the meter or the attachment to it is faulty. Its as well as worth cleaning the MAF sensor wires, as they can acquire coated later dirt higher than get older which subsequently offsets the reading. Use some entry cleaner or brake cleaner to spray can onto the wires to sever the dirt on no account adjoin the wires as soon as all as they are entirely fragile

I'm reviewing your ask now, and will reveal assist similar to your reply ASAP. Rgds Greg. What irregularity codes realize you have. Does the engine run gone the MAF disconnected. subsequently the noisy hissing solid this could be your problem. This could be a large vacuum leak ,with the MAF aligned it is only measuring the let breathe that is getting later than the MAF, hence if the intake manifold is sucking in ventilate the ventilate to fuel ratio will be no question out and cause the engine to stal

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