Technician A says that vacuum-operated fuel pressure regulators maintain an equal pressure drop across the fuel injectors all the time. Technician B says that intake manifold pressure is high at idle. Which technician is correct?
A) Technician A only B) Technician B only
C) Both technicians A and B D) Neither technician A nor B
Question 2
OBD-II regulations require that the EGR system be tested. Technician A says that the PCM can monitor the commanded position of the EGR valve to determine if it is functioning correctly. Technician B says that the PCM can open the EGR valve and monitor for a change in the MAP sensor or oxygen sensor reading to detect if the system is functioning correctly. Which technician is correct?
A) Technician A only B) Technician B only
C) Both technicians A and B D) Neither technician A nor B
Process Flow Diagram of a Dual-Stage Pressure System
A fuel-pressure graph after key on, engine off (KOEO) on a TBI system.
Locate the fuel-pump relay and remove by using a puller if necessary. Try to avoid rocking or ...
Soluble Regulators of Complement
Vertebral column. Avoid heavy pressure directly over spinous processes.
Hormonal and nervous factors influencing blood pressure