LS - 3rd Gen (2001-2006) Discussion topics related to the flagship Lexus LS430

P0420 after spouting radiator

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Old 02-23-17, 07:37 PM
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akurian
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Default P0420 after spouting radiator

2001 Lexus LS430.

This weekend, I thought I'd take a nice trip out of the city to Beacon in much need of country.

All of a sudden my car overheats, so I pull over at a gas station, pull up the hood, and notice that coolant is spouting out of the seams. I cab to Yonkers, pick up a new radiator, cab back, spend 8 hours assembling the damn thing, and get going.

The car starts but I get a CEL and VSC Off. P0115. I check the hoses and notice that the Engine Coolant Temperature sensor burnt off. Drive home with a burnt ECT. During the week while moving my car for alternate side parking I'm having a really hard time starting - the car is barely starting. Yesterday I put a new ECT on and it starts up like a treat, yet the VSC off and CEL are still on, as is the code. What gives?
Old 02-23-17, 07:55 PM
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akurian
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Apologies the title is meant to be P0115.
Old 02-23-17, 08:19 PM
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ejthomp
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So it runs fine now, right?

Did you reset the codes? So they come right back after reset?
Old 02-23-17, 09:19 PM
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I didn't reset codes but the VSC off is weirding me out. How do I reset codes?
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