P0157 code - JKowners.com : Jeep Wrangler JK Forum
 
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post #1 of 3 Old 12-16-2010, 02:51 PM Thread Starter
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P0157 code

I got the P0157 "O2 sensor 2/2 circuit low" code today. What's that mean? It cleared, but is there something wrong?

"The Red Bitch" - 2007 JK Unlimited X, Superchips, TeraFlex 1.5" leveling kit, BFG 35x12.5x18 KM2 on KMC XD Enduro wheels, home made front quick disconnects, OEM fenders chopped, front and rear OEM homemade stubby front and rear bumpers, ACE rock rails, rear facing 3rd row seat, Uniden Pro 520XL.

"Inglorious Basterd" - 1948 Willys CJ2A, AMC 304, MC2100 carb, T150/Dana 20, 33x10.5x15 Super Swampers.
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post #2 of 3 Old 12-24-2010, 04:38 PM
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go under your rig and look at your front drive shaft. I got the same error when my drive shaft came in contact with the O2 sensor wire and exposed it. whe it rubs on the drive shaft with bare wire it causes a short giving you the error. you might even see a ring around your drive shaft where the sensor wire has been rubbing for awhile.

Jersey
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post #3 of 3 Old 12-24-2010, 04:54 PM Thread Starter
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Thanks! I'll check that out! Appreciate it!

"The Red Bitch" - 2007 JK Unlimited X, Superchips, TeraFlex 1.5" leveling kit, BFG 35x12.5x18 KM2 on KMC XD Enduro wheels, home made front quick disconnects, OEM fenders chopped, front and rear OEM homemade stubby front and rear bumpers, ACE rock rails, rear facing 3rd row seat, Uniden Pro 520XL.

"Inglorious Basterd" - 1948 Willys CJ2A, AMC 304, MC2100 carb, T150/Dana 20, 33x10.5x15 Super Swampers.
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