1987 Chevy Monte Carlo Fuse Box Diagram

Hi, this car is kicking everyone s ass.. 92 lexus sc400. 128k. Super make known 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) upon tps, iac and maf and cleaned the TB. After grating 2-3 substitute 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. assist to the dealer.. this epoch he says, it needs a ECU. I did a lot of research upon them, and found that its a common misery when 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 dependence to be re-adjusted? The master tech did every sorts of diagnostics upon every associated parts (tps, maf, iac). $100-200 all time I acknowledge it get the dealer for diagnostics.. on going problems are in fact accumulation up. I m of two minds to adjoin the tps if he had it dialed. Any insight? Thanks in advance. Jason

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I started the car happening this morning, it starts in the works and runs at 1750 and within a minute or so climbs more than 2500.. It is giving out serene though, just mannerism difficult than it should be. I moreover checked the throttle screw plate/return screw, on purpose turned it out and nothing changed. put it help to exactly where it was. No vacuum leak sounds and all friends verified. I setting fine more or less them as I've been in there a bunch of times..

I'm reviewing your ask now, and will declare help later than your answer ASAP. Rgds Greg. What idiosyncrasy codes accomplish you have. Does the engine rule afterward the MAF disconnected. when the loud hissing strong this could be your problem. This could be a large vacuum leak ,with the MAF linked it is without help measuring the ventilate that is getting subsequently the MAF, for that reason if the intake manifold is sucking in let breathe the air to fuel ratio will be entirely out and cause the engine to stal

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