Heated 02 sensor wiring was burned on the exhaust. Would like wiring schematics diagram to find out if there is another plug farther up the harness. The new 02 sensor has about a 2 feet plug in wire..plugins on the original ho2 sensor and engine harness were burned and completely gone. I tried to hook up the original wires all different ways and it still throws a p0140 code. Any advice or help would be appreciated