Troubleshooting steps
Check engine components, verify timing
Manufacturer DTCs
Ford P1109 – DME: Engine system fault
Engine system fault
Details
Ford P1109 error indicates engine system fault. Mechanical issue, timing problem.
Error typeengine
MeaningEngine system fault
Typical causesMechanical issue, timing problem
SolutionsCheck engine components, verify timing
SeverityHigh
Catalog references
Where this appears
FordP1109
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What does P1109 mean on Ford?
P1109 on Ford indicates engine system fault.
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