ASE A8 Engine Performance Practice Test
41.Technician A says a turbocharger boost pressure sensor provides the intake manifold's boost pressure to the ECM. Technician B says a faulty boost pressure sensor will affect vehicle acceleration. Who is correct?
- A. Technician A
- B. Technician B
- C. Both A and B
- D. Neither A or B
42. The vehicle in the diagram above contains:
- A. A (COP) coil on plug ignition system.
- B. A wastespark ignition system.
- C. A sequential port electronic fuel injection system.
- D. A (TBI) throttle body fuel injection system.
43. An engine with a viscous fan clutch overheats while the engine idles. Technician A says fluid could be leaking from the clutch assembly. Technician B says the system's relay may be sticking open. Who is correct?
- A. Technician A
- B. Technician B
- C. Both A and B
- D. Neither A or B
44. A fuel pressure test performed at the fuel rail of an SFI sequential fuel injection engine indicates lower than specified fuel pressure. All of the following cause low fuel pressure EXCEPT:
- A. A poor ground in the pump circuit.
- B. A kink in the fuel return line.
- C. A restricted fuel filter.
- D. A faulty fuel pump.
45. A vehicle has OBDII code P0302. Technician A says this could be caused by a faulty fuel injector. Technician B says this OBD II code indicates a cylinder 2 misfire. Who is correct?
- A. Technician A
- B. Technician B
- C. Both A and B
- D. Neither A or B