mibo Posted April 7, 2006 Share Posted April 7, 2006 My 2002 SC430 (30k) check engine light lit two weeks ago, I bought an Autel Geniscan GS100 OBD II Code Reader ($35) from Ebay, today i plugged it and got code P0155, the manual shows the description "O2 Senser Heater Circuit Malfunction (Bank 2 Sensor 1)". Does this means one bad O2 senser? I like replace it by myself and I know I can buy senser from two web sites posted on this forum, www.sparkplugs.com and www.oxygensensors.com. who can help me to figure out which sensor is bad, front or rear, lfet side or right side (driver side or passenger side). Thanks mibo Quote Link to comment Share on other sites More sharing options...
lazor Posted April 30, 2010 Share Posted April 30, 2010 My 2002 SC430 (30k) check engine light lit two weeks ago, I bought an Autel Geniscan GS100 OBD II Code Reader ($35) from Ebay, today i plugged it and got code P0155, the manual shows the description "O2 Senser Heater Circuit Malfunction (Bank 2 Sensor 1)". Does this means one bad O2 senser? I like replace it by myself and I know I can buy senser from two web sites posted on this forum, www.sparkplugs.com and www.oxygensensors.com. who can help me to figure out which sensor is bad, front or rear, lfet side or right side (driver side or passenger side). Thanks mibo Did you every figure out what sensor is bad. I have the same code on my 2002 SC430. front or rear, lfet side or right side Quote Link to comment Share on other sites More sharing options...
tofu Posted May 3, 2010 Share Posted May 3, 2010 My 2002 SC430 (30k) check engine light lit two weeks ago, I bought an Autel Geniscan GS100 OBD II Code Reader ($35) from Ebay, today i plugged it and got code P0155, the manual shows the description "O2 Senser Heater Circuit Malfunction (Bank 2 Sensor 1)". Does this means one bad O2 senser? I like replace it by myself and I know I can buy senser from two web sites posted on this forum, www.sparkplugs.com and www.oxygensensors.com. who can help me to figure out which sensor is bad, front or rear, lfet side or right side (driver side or passenger side). Thanks mibo Did you every figure out what sensor is bad. I have the same code on my 2002 SC430. front or rear, lfet side or right side Guys, The O2 sensor for Bank 2 Sensor 1 is the one between the Cat. converter and the engine on the passenger side. Good luck. Quote Link to comment Share on other sites More sharing options...
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