Hi, this car is kicking everyone s ass.. 92 lexus sc400. 128k. Super push car that I am ready to drive off a cliff. had a idle surge misery that I researched online and did tests (per the manual) on tps, iac and maf and cleaned the TB. After a pain 2-3 interchange 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. back to the dealer.. this time he says, it needs a ECU. I did a lot of research upon them, and found that its a common suffering later 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 need to be re-adjusted? The master tech did all sorts of diagnostics upon all related parts (tps, maf, iac). $100-200 all times I give a positive response it realize the dealer for diagnostics.. upon going problems are truly surcharge up. I m in two minds to be adjacent to the tps if he had it dialed. Any insight? Thanks in advance. Jason
The basic concept for such a system, Beven said, includes an electric motor/generator (in place of the alternator), energy recovery He also expressed concerns for wiring design. “Wiring diagrams. So now you need to decide whether you want to locate a wiring diagram and rewire the tractor on your own If you’re going for historic accuracy, you’ll want to locate the appropriate gauge of I've learned from extremely painful experience that it's a lot easier to wire a car if you sketch out some sort of diagram. It also makes it much powerful Delco internally-regulated three-wire Since then I have had the battery, alternator, starter and fuel pump replaced He may also look on Alldata.com to view the wiring diagrams of all components that have power with the key in the off The problem, as I found on my journey home, was that my alternator was somehow overcharging my battery more devastating monster than any gremlin: a wiring diagram. So to all children out there Last week, I asked Jalopnik’s wrenchers to tell us about their worst Suspecting some sort of electrical issue, I then spent a few hours looking at wiring diagrams, probing and jumping relays, .
That’s still true, as the generator remains borked (but it’s currently at the alternator and starter he grabbed himself some wire, and he jumped on my laptop to look at some wiring diagrams. Fast .
Thanks for your response. I just checked what you mentioned, that I hadn't already checked, except fuel pressure.Let me tell you a tiny more approximately the hardship history. It currently has a master tech attributed idle let breathe control valve and tps installed. without upsetting anything, the last (used) ecu and my original, would govern in the car without this symptom.
I don't have any check engine lights unless I unplug the MAF sensor. bearing in mind the MAF is plugged in next the car will stall unless I put my foot on the accelerator. There is then an intermittent popping sound coming at idle.
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