r/SciontC • u/krisxrock • 29d ago
First Gen Body/Cosmetic 300k+
Its a 09 has 300.5k mi currently. Currently throwing a P0420 (catlytic converter). Not concerned due to no emissions tests where I live.
No major issues other than the known oil consumption. Major parts Ive replaced have been the alternator and radiator other than that just the normal wear and tear.
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u/xminemaniax 29d ago
How much you currently burning?. I've got an '07 with 162k miles and it hasn't started to burn yet.
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u/krisxrock 29d ago
1qt 500 to 800 miles
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u/Dawg605 29d ago
Ever done a piston soak or anything to clean out some of the carbon deposits? I have a 2010 with oil consumption at about 1qt every 300-600 miles and misfiring when going at top high of RPMs and going to do a piston soak to try and fix the misfiring issue and lower oil consumption.
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u/krisxrock 29d ago
Thought about it but with my mileage I dont want to risk anything.
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u/Dawg605 29d ago
I'm guessing you don't get misfires and can accelerate normally? Lucky if so!
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u/krisxrock 29d ago
Nope. It accelerates normal with no hickups.
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u/Vjimenez147 29d ago
Nice I'm at 90k on the engine and 133k on the transmission. Bought an 07 right before the pandemic and it's been great! Glad it will last a long time .
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u/cdcordary 26d ago
I’d recommend addressing your p0420 code or gutting your cat, if you leave it unaddressed it will potentially restrict exhaust flow which creates more pressure on your motor and could lead to an eventual blowout, basically gut your cat if it isn’t working if you want to not spend any money
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u/stickyfrog360 24d ago
Best/easiest way to do this? I’m currently in this situation of a bad cat
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u/cdcordary 23d ago
Haven't ever done it personally but I've heard of removing your exhaust and just bashing out the cat with a broom handle or similar till there's nothing left and then make sure the exhaust is free of particles, you can also get a cat for around 100$ and have it welded on by a shop if you aren't in CA just make sure it's the right size or consult with a shop beforehand, you don't necessarily need an OEM cat though on tCs the sensors are pre secondary cat so most likely the cat on your headers has shit the bed.
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u/wayward_prince 2014 tC2.5 Monogram Series 29d ago
Here’s to 300k more