Mercedes Benz Fuel Pump Wiring Diagram

Hi, this car is kicking everyone s ass.. 92 lexus sc400. 128k. Super make known car that I am ready to drive off a cliff. had a idle surge trouble that I researched online and did tests (per the manual) on tps, iac and maf and cleaned the TB. After aggravating 2-3 swing 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. help to the dealer.. this mature he says, it needs a ECU. I did a lot of research upon them, and found that its a common misfortune taking into consideration 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 every sorts of diagnostics upon every partnered parts (tps, maf, iac). $100-200 every period I acknowledge it attain the dealer for diagnostics.. upon going problems are in point of fact extra up. I m hesitant to be adjacent to the tps if he had it dialed. Any insight? Thanks in advance. Jason

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I did re-check them tho. The master tech did extensive tests on the freshen flow meter and said it was good. when I unplug it and direct the motor, the car runs unfriendly and at 850ish. I can by yourself guess that my additional rebuilt ecu has an issue, or the tps needs to be re-adjusted, or somehow my maf has died in the midst of all this. I don't think the tps has that much direct in the alternative of rpm though? I think it unaccompanied adjusts it all but 1k..

Hello the TPS does have an effect upon switching the car into idle mode appropriately I'd recommend to create positive the throttle plate is 100% closed and not slightly stranded later carbon. and then adjust the TPS suitably that the IDL attach is continuous to the E2 fix afterward the throttle is closed, and get into circuit similar to the throttle is just cracked. Don't worry practically any voltages, the IDL approach is the essentially important one.

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