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Old LS430 Just Hit 100k, CEL's and Repair... What do I need?!

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Old 02-21-09, 10:36 AM
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04_LS_430R
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Default What happened to the VSC light?

I'm not a mechanic but I thought that VSC stood for "Vehicle Stability Control" (they have those initials on several of the older RX300's) and I don't believe that has anything to do with an O2 Sensor. (Although I may be incorrect if anyone can confirm this.) Did that light remain on? What did the dealer say about it? If I am correct then I would assume it would take more than replacing the O2 Sensor to correct that issue. I am at about 90K miles and would just like to be sure when the time comes for me. Hope it all works out for you.
Old 02-21-09, 04:57 PM
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Originally Posted by 04_LS_430R
I'm not a mechanic but I thought that VSC stood for "Vehicle Stability Control" (they have those initials on several of the older RX300's) and I don't believe that has anything to do with an O2 Sensor. (Although I may be incorrect if anyone can confirm this.) Did that light remain on? What did the dealer say about it? If I am correct then I would assume it would take more than replacing the O2 Sensor to correct that issue. I am at about 90K miles and would just like to be sure when the time comes for me. Hope it all works out for you.
Yeah, you are right. The whole thing started when I took my car to a auto parts store to check the CEL. When they did so, it triggered my VSC off light. I'm not sure why, but I read some different situations of this happening and I have heard it can be fixed by just fixing your 02 sensor. I drove the car today and the CEL light shut off but the VSC off remained. I went and used the instructions in this thread https://www.clublexus.com/forums/ls4...c-vsc-off.html and it fixed my VSC off problem.

In short, you are right, but I was mislead on how to fix it. I guess its alright because the CEL code said faulty 02 sensor. By the way, if anyone cares to tell, what exactly was the $215 I spent for on the 02 sensor? Was it even worth it now? The car drove just fine anyways even with the CEL on. Thanks!
Old 02-23-09, 09:34 AM
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Well I think I figured out the purpose of the o2 sensor. On my daily Sunday trip, I averaged like 24mpg instead of the typical 18-19 I have been getting prior...
Old 02-23-09, 09:40 AM
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Originally Posted by Samcrac
Well I think I figured out the purpose of the o2 sensor. On my daily Sunday trip, I averaged like 24mpg instead of the typical 18-19 I have been getting prior...
Thanks for the update

I should look into this also. Wouldn't hurt to have a clean 02 sensor if there's nothing, would it?
Old 02-23-09, 11:35 AM
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late in catching this thread but I would have also done the thermostat while in there4 as well as new plug wires as part of the tune up,,

Derry
Old 02-27-09, 04:18 AM
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Took mine to a buddy's shop yesterday to verify what's causing the CEL. Front right O2 sensor. That explains the crappy mileage lately too.
Dealer wants 200 plus for one and I plan on changing both. Even with my 20% discount, that's high I thought. So, went on to sparkplugs.com. They have the "OE Identical" denso sensors for 100 each. 12 dollars to ship
I will also be doing the timing belt job tonight after work. I have the water pump, the belt, a couple idler pulleys, belt tensioner, fresh gallon of coolant, Thermostat. ETC. Should be fun!!
Old 03-03-09, 05:04 PM
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How much does an 02 sensor usually go for
Old 03-03-09, 07:37 PM
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Originally Posted by CHI2BFLO
How much does an 02 sensor usually go for
$240.00 plus @ the dealership.
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