KIA: P0128 and P0420
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Grand Champion
Joined: Nov 2005
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From: Charleston, SC
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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Grand Champion
Joined: Nov 2005
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From: Charleston, SC
RE: KIA: P0128 and P0420
ORIGINAL: neon03se
that solved your P0420 code?
that solved your P0420 code?
ORIGINAL: Adionik
Thermostat increased MPG?
Thermostat increased MPG?
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Grand Champion
Joined: Nov 2005
Posts: 6,258
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From: Charleston, SC
RE: KIA: P0128 and P0420
ORIGINAL: Adionik
What made you change it?
What made you change it?
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From:
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
[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
