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Help getting codes PO141 and PO161

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Old Apr 3, 2005 | 04:54 PM
  #1  
wvgmcsierra04's Avatar
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From: Beckley, WV
Default Help getting codes PO141 and PO161

I need some serious help here :bawl: . I just jot done installing my TOG Headers last Fri Night and having some problems now. After the install I removed my rear 02 sensors and my stock y-pipe in order to drive it to the shop the next day. IN the front the put the front O2's back it the headers and drove it staight headers for a few miles the same night and the next day to the shop. While doing this the service engine light came on also. At the shop they had to weld directly to the headers the front 02's in to get the y-pipe to fit right to the opening on them They also put the rear 02 senors back in. So now after all the my truck is throwing these codes off. The truck is missing during idle and driving around town along with that it is back firling a little. Power now is very stick very little power at throttle. By welding on the headers or driving with open headers with front 02's in are the front 02' gone or the rear ones. I have check my plug wires like 5 times to check the connection which seem to be on good. If anyone could help me here I would be grateful to them :worship: .

Thanks and please help.
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Old Apr 3, 2005 | 05:40 PM
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one03sierra's Avatar
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From: league city texas
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did they put the cats back on. are the rear 02's hooked up. that is saying that the rear 02's are having problems. i would check that first. as far as the wires they ight be ok. you might have cracked the pocelain on one of the plugs. i usually check this by unplugging one coil at a time till i find a cylinder that doesnt change much or at all.
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Old Apr 3, 2005 | 06:00 PM
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From: Beckley, WV
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Yes my cats are back on. I checked the connection of the rear 02's they seem fine.
What do you mean by the pocelian on of the plugs. How the the best way to check the plugs when unplugging them fron the coil pack or the plug.
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Old Apr 3, 2005 | 08:03 PM
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From: Beckley, WV
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Does anyone else have anything. I have done some more checking and both codes relate to both the Driver and Passenger side Heated Oxygen Sensors.
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Old Apr 4, 2005 | 11:04 AM
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From: Beckley, WV
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Good News After talking to someone with some more knowledge with engines and having a better scanner availbale to diagnose the problem more we found it. So checking the areas that would cause this problem we were lead the area of a Cracked area of porclean on the Spark Plug. So now I am ready to go.
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