79 Scout Ii Wiring Diagram

Hi, this car is kicking everyone s ass.. 92 lexus sc400. 128k. Super make public car that I am ready to steer off a cliff. had a idle surge hardship that I researched online and did tests (per the manual) upon tps, iac and maf and cleaned the TB. After trying 2-3 alternative 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. yet had issues. urge on to the dealer.. this grow old he says, it needs a ECU. I did a lot of research on them, and found that its a common pain subsequent to this car.. bought a used one.. more trouble. had the original 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 every sorts of diagnostics on every united parts (tps, maf, iac). $100-200 all period I agree to it realize the dealer for diagnostics.. upon going problems are truly extra up. I m unsure to be next to the tps if he had it dialed. Any insight? Thanks in advance. Jason


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Might as well as be worth checking the wiring and connector to the airflow meter for any signs of corrosion or damage. you can complete a quick irregularity locate if you unplug the meter and control the engine without it. if the engine condition is the same subsequently chances are the meter or the attachment to it is faulty. Its moreover worth cleaning the MAF sensor wires, as they can acquire coated in the manner of dirt more than era which after that offsets the reading. Use some admittance cleaner or brake cleaner to vaporizer onto the wires to surgically remove the dirt on no account lie alongside the wires past all as they are agreed fragile



I don't have any check engine lights unless I unplug the MAF sensor. with the MAF is plugged in then the car will stall unless I put my foot on the accelerator. There is plus an intermittent popping strong coming at idle.



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