P1278 FORD Possible Causes
- Faulty Fuel Injector
- Faulty Fuel Injector Interface Module
- Fuel Injector harness is open or shorted
- Fuel Injector circuit poor electrical connection
First diagnose P1278 FORD code
Check the "Possible Causes" listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded terminals.
P1278 FORD Tech NotesCheck valve cover wire harness connections first, including under the valve cover.
Cost of diagnosing the P1278 FORD code
Labor: 1.0The cost of diagnosing the P1278 FORD code is 1.0 hour of labor. The auto repair labor rates vary widely across the country, and even within the same city. Most auto repairs shops charge between $75 and $150 per hour.
P1278 FORD Possible Symptoms
- Engine Light ON (or Service Engine Soon Warning Light)
P1278 FORD MeaningA fault is detected by the fuel injector interface module in the secondary (rearward) fuel injector circuit
P1278 FORD More InformationNeed more information on how to fix the P1278 FORD code?
Get Access to Factory Service Manuals