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P1102 and 1107 indicate the heating resistance of the sensors is too low. Disconnect the O2 sensor harness connector and check the resistance between pins 1 and 2 on the sensor, you should see 1.8 to 2.5 ohms at room temperature. If you get those values, your harness from the sensor to the DME has a wiring issue.
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“Anything really new is invented only in one’s youth. Later, one becomes more experienced, more famous – and more stupid.” - Albert Einstein
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