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Ron, ASE Certified Technician
Category: Ford
Satisfied Customers: 23821
Experience:  23 years with Ford specializing in drivability and electrical and AC. Ford certs and ASE Certs
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02 sporttrac 4.0 engine. o2 sensor bank 1 sensor 1 reading

Customer Question

02 sporttrac 4.0 engine. o2 sensor bank 1 sensor 1 reading 1.25 volts. O2 sensor heater wires(both white) has rub marks and wiring is exposed. checked fuses they are ok. some one has spliced in new pigtail but wires are not color matched
JA: Have you located all of the vehicle's oxygen sensors? Are the wires leading to and from each intact and in good shape?
Customer: all good but bank 1 sensor 1
JA: What is the model of your '02 Ford?
Customer: sporttrac
JA: Are you fixing your vehicle yourself? What have you tried so far?
Customer: yes first trying to make sure pigtail was spliced to proper wires
JA: Anything else you want the mechanic to know before I connect you?
Customer: no
Submitted: 1 year ago.
Category: Ford
Expert:  HDGENE replied 1 year ago.

Hello, so you need to match up the upstream bank one sensor harness connector. Or the sensor itself is hardwired with a universal sensor?

Expert:  HDGENE replied 1 year ago.

Do you need more help with this concern?