P0208 on Ford: How to Diagnose & Fix
Injector Circuit/Open - Cylinder 8
1 Ford model · 1 documented issue · $800-$2,500 repair
P0208 on Ford by model: symptoms, diagnosis and fix
The 7.3L diesel engines (IDI pre-1994, Powerstroke 1994+) experience injector failure causing rough running, hard starts, and excessive smoke. The IDI injectors are simpler mechanical units; Powerstroke uses HEUI hydraulic electronic injectors.
Common Symptoms
- Hard starting
- Black or white smoke
- Rough idle
- Knocking noise
- Loss of power
How to Fix
Sources for this issue (2)
P0208 code reference
General diagnostic-code context. The code alone does not confirm a cause for your vehicle; use the applicable issue card and its sources.
Frequently asked questions
What does P0208 mean on a Ford?
P0208 stands for "Injector Circuit/Open - Cylinder 8." This code means the engine computer detected an open or out-of-range condition in the fuel injector circuit for cylinder 8. Fuel injectors are electrically operated valves, and the computer continuously checks that each one's circuit responds correctly when commanded to open. When cylinder 8's injector circuit reads as broken, shorted, or electrically abnormal, this code sets — frequently accompanied by a misfire or rough running on that cylinder. The fault is electrical (wiring, connector, or the injector itself), not a fuel-supply issue. On Ford it is documented across 1 model: F-250.
What are the most common causes of P0208?
The most common causes of P0208 are: Corroded, loose, or damaged injector connector at cylinder 8, Open, shorted, or chafed wiring in the injector circuit, Failed fuel injector (open internal winding), Poor ground or power feed to the injector driver, Failed injector driver circuit inside the ECM/PCM, Water intrusion or pin corrosion in the engine harness. The specific cause varies by vehicle.
How much does it cost to fix P0208 on a Ford?
Published repair estimates on Ford range from $800 to $2,500 depending on the model and root cause. If an issue mentions a recall or campaign, check your VIN with the manufacturer or NHTSA and confirm eligibility and coverage with a dealer.
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Content compiled with AI assistance using NHTSA complaints, TSBs, and owner reports. May contain errors. Always verify with your vehicle's service manual.