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check ending code P420

SeanguySeanguy Member Posts: 1
edited December 2022 in Hyundai
HI, I've been getting P420 on my Hyundai Elantra 2004 (about 130K miles). I got scanned data below. Would you tell me if any number number is way off the normal range?

FUEL SYS1 CL
LOAD_PCT 13.7
ECT --
SHRTFT 0.8
LONGFT 6.3


RPM 767
SPARKADV 4.5
IAT(C) 9
MAF(g/s) 2.29
TP(%) 6.7
O2SLOC B1S12--B2S
O2B1S1 0.490
SHRTFTB1S(%) 3.1
O2B1S2(v) 0.035
SHRTFTB2S(%) N/A
OBSDUP OBDII


G=GREEN CHECKMARK
S=STOP SIGN
X=X MARK
MIS G
FUE G
COM G
CAT G
EVAP X
O2S X
HRT G
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