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Home >> Ford >> 2000 >> Contour SE, 2.5 L, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 2090 (Engine Controls - Powertrain DTC Charts And Descriptions (Except Diesel & Hybrid)) >> DTC Diagnosis >> P1647 - Linear O2 Sensor Control Chip (Bank 2)

P1647 - Linear O2 Sensor Control Chip (Bank 2)

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P1647 - LINEAR O2 SENSOR CONTROL CHIP (BANK 2)

Description:  See the description for DTC P1646.
Possible Causes:  See the possible causes for DTC P1646.
Diagnostic Aids:  See the diagnostic aids for DTC P1646.
Application  Key On Engine Off  Key On Engine Running  Continuous Memory 
All   Reprogram or update the calibration. Check for other DTCs and diagnose those first. Make sure to check for aftermarket performance products before installing a new PCM. Clear the DTCs, repeat the self-test. If the DTC is retrieved again, install a new PCM. Refer toFLASH ELECTRICALLY ERASABLE PROGRAMMABLE READ ONLY MEMORY (EEPROM) .
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