Hi, this car is kicking everyone s ass.. 92 lexus sc400. 128k. Super announce car that I am ready to drive off a cliff. had a idle surge pain that I researched online and did tests (per the manual) on tps, iac and maf and cleaned the TB. After aggravating 2-3 alternative 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. back up to the dealer.. this time he says, it needs a ECU. I did a lot of research on them, and found that its a common burden in the same way as 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 habit to be re-adjusted? The master tech did all sorts of diagnostics upon every linked parts (tps, maf, iac). $100-200 all times I put up with it do the dealer for diagnostics.. on going problems are truly extra up. I m undecided to lie alongside the tps if he had it dialed. Any insight? Thanks in advance. Jason
If that is the case, you should be able to get to the back of the relay socket and find the small wire that triggers the relay, simply cutting that wire and running both ends of the wire to a switch, 2004 Aveo, I replaced the plugs, valve cover and tube gaskets, new plug wires, new air cleaner and the engine runs great, but dies at idle. WHY? Could this be a bad Idle air speed controller valve? If you do not find the vehicle wiring information you're looking for here, please post your request in the12volt's Install Bay. We will NOT respond to any requests by email. * Cruise control and All of the lights are working signals, high beam , stop lights, hazards just the reverse lights are not turned on when backing up. What else do I need to check? I am getting ready to instal an Avital 5303 alarm and remote start in my base model 2009 Chevy Aveo 5 LT to go by the iDatalink diagram, make up a wire connection chart that includes the 5303, the You will need to access the wiring diagrams for the circuits in question to accurately diagnose the possibilities. .
looking for 2006 chevy aveo power door lock wires.dei and bulldog tech say gray and lt green both i found at the door lock control module on the passenger side kick. the grey unlock wire only works .

Its afterward worth getting the fuel pressure checked as if this is low due to a blocked filter or faulty regulator or even a poorly pump will every result in insufficient fuel physical delivered to the engine. Might in addition to be worth cleaning out the idle eagerness control motor / valve as these get clogged happening afterward carbon and some brake cleaner washed through helps forgive things off.
taking into consideration I begin the car, the engine surges going on amongst 1200 and 2000 rpm put up to and forth. I changed the IAC and the TPS in the manner of no change in symptoms. I have noticed that several Lexus SC's have this thesame issue. Prior to this I would have to become accustomed the idle zeal screw to lower the rpm and it would retain for a while. Now, the engine is continually surging to the tapering off where I cannot drive it for fright of damage to the steer train. Any experienced solution?
Photo Schematics for 04 chevy aveo exhaust wiring diagram
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