MasterTuning Fault code dictionary (DTC)

P1139 — Water in Fuel Indicator Circuit Malfunction

Severity: Warning Can you drive? With caution: limp mode possible, have it checked soon Make: Ford
MeaningWater in Fuel Indicator Circuit Malfunction.
FamilyPowertrain (P)

Frequently asked questions

What does code P1139 mean?

Water in Fuel Indicator Circuit Malfunction. Water in Fuel Indicator Circuit Malfunction.

Can I keep driving with code P1139 active?

With caution: limp mode possible, have it checked soon

How do you fix code P1139?

Diagnosis starts from reading the live ECU parameters: the code points to the fault area, not to the part to replace. A vehicle-electronics specialist can test the component and clear the code after the repair.

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