DZ: Universal Heated Oxygen Sensor (HO2S) DZ: Introduction — 2016 workshop reference 5088

Vehicle applicability: This diagnostic supplement covers multiple Ford vehicles and engines. Follow the application named in the source below. Some references apply to vehicles other than Mustang.

2016 PCED Gasoline Engines SECTION 5: Pinpoint Tests

Procedure revision date: 11/23/2015

DZ: Universal Heated Oxygen Sensor (HO2S)

DZ: Introduction

DZ1 CHECK FOR DTCS

Are DTCs P0030, P0040, P0050, P0053, P0059, P0130, P0131, P0132, P0133, P0134, P0135, P0150, P0151, P0152, P0153, P0154, P0155, P1127, P164A, P164B, P2096, P2097, P2098, P2099, P2237, P2240, P2243, P2247, P2251, P2254, P2626, P2627, P2628, P2629, P2630, or P2631 present?

Yes	No
For DTC P0040, GO to DZ6 . For DTC P1127, GO to DZ17 . For DTCs P0133, P0153, P2096, P2097, P2098 or P2099, GO to DZ18 . For DTCs P164A, P164B, P2626, P2627, P2628, P2629, P2630 or P2631, GO to DZ23 . For all others, GO to DZ2 .	For Escape/Kuga 2.5L or Fusion 2.5L symptoms without DTCs, GO to DZ12 . For all other vehicles symptoms without DTCs, GO to DZ23 . For all others, RETURN to Section 3 , Symptom Charts for further direction.

Yes

For DTC P0040, GO to DZ6 .

For DTC P1127, GO to DZ17 .

For DTCs P0133, P0153, P2096, P2097,

P2098 or P2099, GO to DZ18 .

For DTCs P164A, P164B, P2626, P2627, P2628, P2629, P2630 or P2631, GO to DZ23 .

For all others, GO to DZ2 .

For Escape/Kuga 2.5L or Fusion 2.5L symptoms without DTCs, GO to DZ12 .

For all other vehicles symptoms without DTCs, GO to DZ23 .

For all others, RETURN to Section 3 , Symptom Charts for further direction.

DZ2 VISUALLY INSPECT THE UNIVERSAL HO2S HARNESS

• Ignition OFF.

• Visually inspect for:

◾ pinched, shorted, and corroded wiring and pins ◾ oil or water contamination ◾ crossed sensor wires ◾ damaged universal HO2S

Is a concern present?

Yes	No
REPAIR as necessary. Clear the PCM DTCs. REPEAT the self-test.	For DTCs P0030 or P0050, GO to DZ3 . For DTCs P0053, P0059, P0135 or P0155, GO to DZ7 . For DTCs P0130, P0131, P0132, P0150, P0151, P0152, P2243, P2247, P2251 or P2254, GO to DZ12 . For all others, GO to DZ16 .

Yes

REPAIR as necessary.

Clear the PCM DTCs. REPEAT the self-test.

For DTCs P0030 or P0050, GO to DZ3 .

For DTCs P0053, P0059, P0135 or P0155, GO to DZ7 .

For DTCs P0130, P0131, P0132, P0150, P0151, P0152, P2243, P2247, P2251 or P2254, GO to DZ12 .

For all others, GO to DZ16 .

Source reference 5088

2016 Mustang workshop publication supplied to Mustang Atlas. Original technical text and illustrations; HTML formatting by Mustang Atlas. Source page numbering is retained for traceability. Follow the configuration, revision, warnings, and cross-references in the material. About this edition.