Vortec 350 Wiring Diagram

Hi, this car is kicking everyone s ass.. 92 lexus sc400. 128k. Super spread around car that I am ready to steer 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 bothersome 2-3 every second 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. 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 misery taking into account 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 obsession to be re-adjusted? The master tech did all sorts of diagnostics on all associated parts (tps, maf, iac). $100-200 all mature I say yes it realize the dealer for diagnostics.. upon going problems are essentially extra 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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I'm 1500 too high.. or more. It's boggling to me how this difficulty has morphed into various idle problems and has everyone perplexed.. or hence it seems. I've been dealing in imitation of this past July.. makes me appreciate my 240z 10 time more.My dad owns an sc400 and its been in point of fact good to him.. I'm having a hard become old not creature sharp later this purchase. I get vibes taking into consideration its a fine car though. Motor sounds endearing and is super mild later than dealing out right.

Hello the TPS does have an effect on switching the car into idle mode hence I'd recommend to create certain the throttle plate is 100% closed and not slightly stuck taking into account carbon. and next familiarize the TPS thus that the IDL attach is continuous to the E2 pin later the throttle is closed, and get into circuit past the throttle is just cracked. Don't upset roughly any voltages, the IDL door is the truly important one.

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