Onan Marquis 7000 Wiring Diagram

Hi, this car is kicking everyone s ass.. 92 lexus sc400. 128k. Super shout from the rooftops 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 maddening 2-3 swap 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. assist to the dealer.. this get older he says, it needs a ECU. I did a lot of research upon them, and found that its a common suffering in the manner of 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 need to be re-adjusted? The master tech did every sorts of diagnostics upon every similar parts (tps, maf, iac). $100-200 all epoch I undertake it reach the dealer for diagnostics.. upon going problems are really accumulation up. I m unsure to lie alongside 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 not at your best pump will all upshot in insufficient fuel visceral delivered to the engine. Might moreover be worth cleaning out the idle enthusiasm rule motor / valve as these acquire clogged taking place with carbon and some brake cleaner washed through helps free things off.

Hello the TPS does have an effect upon switching the car into idle mode appropriately I'd suggest to create definite the throttle dish is 100% closed and not slightly stuck as soon as carbon. and next familiarize the TPS as a result that the IDL attach is continuous to the E2 fasten in the same way as the throttle is closed, and edit circuit next the throttle is just cracked. Don't distress just about any voltages, the IDL contact is the really important one.

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