2nd Gen Neon 2000 - 2005 2nd Gen Neon

KIA: P0128 and P0420

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Old 01-16-2008, 01:42 PM
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Default KIA: P0128 and P0420

W00t!! Replaced my thermostat over the weekend and now my dash is CEL free!! My gas mileage has also increased from a lowly 18mpg city to a slightly more respectable, but equally pathetic, 23mpg city.

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Old 01-16-2008, 01:55 PM
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Default RE: KIA: P0128 and P0420

yay!!! CELs suck ***
 
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Old 01-16-2008, 02:02 PM
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Default RE: KIA: P0128 and P0420

that solved your P0420 code?
 
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Old 01-16-2008, 02:21 PM
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Default RE: KIA: P0128 and P0420

Thermostat increased MPG?
 
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Old 01-16-2008, 02:55 PM
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Default RE: KIA: P0128 and P0420

ORIGINAL: neon03se

that solved your P0420 code?
Yeah in my case it solved the problem, but the P0420 appeared at almost the same exact time as the P0128, so I'm pretty sure they were connected to begin with.


ORIGINAL: Adionik

Thermostat increased MPG?
Having my engine running at the correct operating temperature, along with all the other factors involved increased MPG...

 
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Old 01-16-2008, 03:05 PM
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Default RE: KIA: P0128 and P0420

What made you change it?
 
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Old 01-16-2008, 03:14 PM
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Default RE: KIA: P0128 and P0420

ORIGINAL: Adionik

What made you change it?
The P0128 code...its a thermostat malfunction code.
 
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Old 01-16-2008, 04:37 PM
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Default RE: KIA: P0128 and P0420

[quote]ORIGINAL: 03neonRT

[quote]ORIGINAL: neon03se

that solved your P0420 code?

Yeah in my case it solved the problem, but the P0420 appeared at almost the same exact time as the P0128, so I'm pretty sure they were connected to begin with.


sweet


 
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Old 01-16-2008, 04:39 PM
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Default RE: KIA: P0128 and P0420

i don't know what the hell i did to that post lol
 



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