1990 Ford F 150 Radio Wiring Diagram

Hi, this car is kicking everyone s ass.. 92 lexus sc400. 128k. Super publicize car that I am ready to drive off a cliff. had a idle surge hardship that I researched online and did tests (per the manual) on tps, iac and maf and cleaned the TB. After maddening 2-3 substitute 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. nevertheless had issues. put up to to the dealer.. this become old he says, it needs a ECU. I did a lot of research on them, and found that its a common pain with 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 craving to be re-adjusted? The master tech did all sorts of diagnostics on every partnered parts (tps, maf, iac). $100-200 every get older I take it do the dealer for diagnostics.. upon going problems are really tally up. I m undecided to be adjacent to the tps if he had it dialed. Any insight? Thanks in advance. Jason

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Might moreover be worth checking the wiring and connector to the airflow meter for any signs of corrosion or damage. you can pull off a fast anomaly find if you unplug the meter and govern the engine without it. if the engine condition is the thesame next chances are the meter or the connection to it is faulty. Its as a consequence worth cleaning the MAF sensor wires, as they can get coated behind dirt over period 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 touch the wires afterward whatever as they are completely fragile

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