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25-08-2018
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Senior Newbie
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Join Date: Mar 2017
Location: Parramatta, NSW
Posts: 86 What Jeep do I drive?: KK
Likes: 9
Liked 2 Times in 2 Posts
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Error Code P0420
Getting this error code with my KK. Looked it up and it would be a number of things. Anyone else had this issue before?
http://www.dtcsearch.com/P0420/?from=Torque
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26-08-2018
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AJOR Silver
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Join Date: Oct 2011
Location: Blue Mountains
Posts: 1,401 What Jeep do I drive?: KK
Likes: 150
Liked 110 Times in 80 Posts
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If I’m understanding correctly it’s an O2 sensor error? How many km on the odometer? Petrol I assume?
Sent from my iPhone using Tapatalk
__________________
2010 KK Sport, LPG, Mygig, Uconnect, JBA UCAs, 3" CRDstu lift & Uneek bull bar.
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26-08-2018
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Senior Newbie
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Join Date: Mar 2017
Location: Parramatta, NSW
Posts: 86 What Jeep do I drive?: KK
Likes: 9
Liked 2 Times in 2 Posts
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It's a petrol 3.7L V6. 193k on the clock.
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26-08-2018
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AJOR Silver
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Join Date: Oct 2011
Location: Blue Mountains
Posts: 1,401 What Jeep do I drive?: KK
Likes: 150
Liked 110 Times in 80 Posts
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In that case unless the O2 sensors have been replaced they may be the issue? Totally guessing from the the HO2 front & rear reading text, if I remember correctly there are sensors close to the engine and maybe again after the catalytic converters? Perhaps the converter(s) are expired?? I’m probably not helping at all here. [emoji51]
__________________
2010 KK Sport, LPG, Mygig, Uconnect, JBA UCAs, 3" CRDstu lift & Uneek bull bar.
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27-08-2018
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Senior Newbie
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Join Date: Mar 2017
Location: Parramatta, NSW
Posts: 86 What Jeep do I drive?: KK
Likes: 9
Liked 2 Times in 2 Posts
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I guess we won't know now because after starting the car up this morning, no check engine light as if it just fixed itself.. But you could be right, maybe one of the O2 sensors are on it's way out.
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