2001 Dodge Caravan O2 sensor heater circuit

2001 DODGE CARAVAN
116,000 MILES • 6 CYL • AWD • AUTOMATIC
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Engine light code P1035 indicates a heater circuit problem on Bank 1 Sensor 1. Is this the O2 sensor before the catalyctic? The engine runs fine in all situations. How can I check the circuit to determine if it is the O2/heater or a bad connection?
Feb 5, 2008 at 3:25 AM
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