Last November my slave cylinder went out. I pulled the trans and replaced it. As I was reinstlling the trans I crushed the plug to the O2 sensor, (motor side), between the trans and engine. I drove it a few months with it disconneced. When it came time to get the smog test done, I made up some wires and connected them to a new O2 sensor with bullet connectors. The repair worked for about 4 months without a problem. Recently the wires fell onto the exhaust manifold, melted and blew the fuse for the O2 heater circuit. I removed my "repair" and replaced it with a new pigtail with the proper plug and another new O2 sensor. I wired it the same way I did with the first repair. Now I am getting 2 trouble codes that confuse me. They are P1131 {Lack of HO2S1 Swithes- Lean (Bank 1, Sensor1)} and P1132 {Lack of HO2S1 Switches- Rich (Bank 1, Sensor 1)}. Could the shorted wires have damaged the ECM or anything else? If not what else could cause the trouble codes?
I am a boat mechanic who loves wrenching on anything, but emissions are not one of my strong points. Any help would be greatly appreciated. Thanks
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Monday, October 27th, 2008 AT 11:57 PM