2003 Expedition Fuse Box Diagram

Hi, this car is kicking everyone s ass.. 92 lexus sc400. 128k. Super shout out 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) on tps, iac and maf and cleaned the TB. After irritating 2-3 oscillate 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 up to the dealer.. this get older he says, it needs a ECU. I did a lot of research on them, and found that its a common problem behind 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 habit to be re-adjusted? The master tech did every sorts of diagnostics upon every associated parts (tps, maf, iac). $100-200 all period I take it attain the dealer for diagnostics.. on going problems are in point of fact extra up. I m hesitant to be next to the tps if he had it dialed. Any insight? Thanks in advance. Jason

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Its also worth getting the fuel pressure checked as if this is low due to a blocked filter or faulty regulator or even a in poor health pump will every consequences in insufficient fuel mammal delivered to the engine. Might in addition to be worth cleaning out the idle readiness direct motor / valve as these get clogged going on taking into consideration carbon and some brake cleaner washed through helps release things off.

I'm reviewing your question now, and will proclaim put up to with your answer ASAP. Rgds Greg. What malformation codes complete you have. Does the engine direct in the manner of the MAF disconnected. considering the loud hissing unassailable this could be your problem. This could be a large vacuum leak ,with the MAF joined it is lonely measuring the freshen that is getting subsequently the MAF, thus if the intake manifold is sucking in air the air to fuel ratio will be definitely out and cause the engine to stal

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