02 E 350 Wiring Diagram

Hi, this car is kicking everyone s ass.. 92 lexus sc400. 128k. Super publicize car that I am ready to steer off a cliff. had a idle surge difficulty that I researched online and did tests (per the manual) upon tps, iac and maf and cleaned the TB. After frustrating 2-3 different 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. support 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 misfortune once 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 all linked parts (tps, maf, iac). $100-200 every epoch I take on it do the dealer for diagnostics.. on going problems are in reality adjunct 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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Its also worth getting the fuel pressure checked as if this is low due to a blocked filter or faulty regulator or even a ill pump will all result in insufficient fuel brute delivered to the engine. Might plus be worth cleaning out the idle readiness manage motor / valve as these get clogged going on similar to carbon and some brake cleaner washed through helps release things off.

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