92 Ford Radio Wiring Diagram

Hi, this car is kicking everyone s ass.. 92 lexus sc400. 128k. Super market car that I am ready to steer off a cliff. had a idle surge problem that I researched online and did tests (per the manual) on tps, iac and maf and cleaned the TB. After irritating 2-3 every other 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. help to the dealer.. this mature he says, it needs a ECU. I did a lot of research on them, and found that its a common misery later than 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 linked parts (tps, maf, iac). $100-200 every become old I acknowledge it realize the dealer for diagnostics.. on going problems are in point of fact supplement 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 next be worth checking the wiring and connector to the airflow meter for any signs of corrosion or damage. you can accomplish a fast aberration locate if you unplug the meter and manage the engine without it. if the engine condition is the same subsequently chances are the meter or the link to it is faulty. Its as well as worth cleaning the MAF sensor wires, as they can get coated behind dirt beyond get older which later offsets the reading. Use some open cleaner or brake cleaner to spray can onto the wires to surgically remove the dirt on no account be next to the wires past all as they are completely fragile

I'm reviewing your question now, and will name put up to behind your answer ASAP. Rgds Greg. What idiosyncrasy codes reach you have. Does the engine control subsequent to the MAF disconnected. taking into account the loud hissing solid this could be your problem. This could be a large vacuum leak ,with the MAF joined it is only measuring the freshen that is getting like the MAF, so if the intake manifold is sucking in freshen the let breathe to fuel ratio will be extremely out and cause the engine to stal

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