Test Your Knowledge of the 6.4L Powerstroke Engine (part 4)?

Question

13. The fuel injection system has its own stand-alone cooling system ____.
A. that also cools the turbocharger actuator
B. that can cause the ECM to limit engine power output if fuel temperature is too high
C. both A & B
D. none of the above

14. Fuel may be injected into the cylinders during the exhaust stroke ____.
A. to heat and clean the EGR coolers
B. to heat up the diesel oxidation catalyst quickly during a cold start
C. while performing the Diesel Particulate Filter regeneration process to raise the exhaust temperature
D. none of the above

15. The fuel injection system ____.
A. is a common rail type system
B. uses piezo-electric injectors that can deliver multiple injections per stroke
C. both A & B
D. none of the above

Answer 1

ccc

Answer 2

13.A 14.C 15.B

Answer 3

someone has access to the ford protech training program.... i remember those questions:P A C and C

Answer 4

this is the dumbest question i have ever read

thank you