What does PCV vehicle stand for?
Passenger Carrying Vehicle
PCV stands for Passenger Carrying Vehicle, and the requirements for obtaining a PCV licence are broadly similar to those for goods vehicles. There are two categories of PCV licence: Category D1 – for minibuses with between 9 & 16 passenger seats. Category D – for buses and coaches with more than 16 passenger seats.
What happens if your PCV valve is bad?
Overall poor performance As the PCV valve starts going bad, the performance of your vehicle will get worse. This can be exhibited by a buildup of pressure in the exhaust or the engine could stall out. When this happens, the fuel and air mixture is diluted causing your vehicle to run poorly and lean out.
What is a good PCV?
Published data from Europe and North America indicate that for non-iron-deficient adult Caucasian males, the normal mean packed cell volume (PCV) is 0.46 and the 2.5-97.5 percentile interval is 04.0-0.53. Corresponding values for adult Caucasian females are: mean PCV 0.42; 2.5-97.5 percentile interval 0.36-0.48.
What is the cause of PCV?
The PCV rises when the number of red blood cells increases or when the total blood volume is reduced, as in dehydration. The PCV falls to less than normal, indicating anaemia, when your body decreases its production of red blood cells or increases its destruction of red blood cells.
Do diesels have PCV valves?
The crankcase is where your engine oil hangs out. These gases are about 70% unburned fuel. Diesel engines are not required to have these valves. The positive crankcase ventilation, or PCV, valve routes crankcase gases through a hose and back into the air intake system where they are re-burned in the engine.
What vehicles can I drive with a PCV Licence?
The Bus PCV Category D licence allow drivers who pass the PCV Category D Bus licence to drive any kind of buse or coach including single deckers, double decker buses and also bendi buses.
What is the most common problem with PCV valves?
Bad PCV valves can cause engine oil contamination, sludge build-up, oil leaks, high fuel consumption, and other engine-damaging problems, depending on the type of failure.
Can PCV valve cause white smoke?
A faulty PCV valve can cause a rich or lean mixture to form in the engine, which can cause symptoms such as white or black smoke coming out of the exhaust pipe, depending on what type of mixture problem the engine is experiencing.
Is 32 PCV normal?
Generally, a normal range is considered to be: For men, 38.3 to 48.6 percent. For women, 35.5 to 44.9 percent.
Is 30% PCV normal?
… PCV and Hb measurements are considered as haematological indicators for classifying the severity of anaemia, with PCVs in the range of 21-30% and Hb 9.5-13 g/dl being considered as mild anaemia, PCVs of 15-20% and Hb 8-9.5 g/dl as moderate anaemia, and <15% PCV and Hb <8 g/dl as severe anaemia .
Why is PCV lower in females?
The sex difference in mean venous haemoglobin levels and red cell mass is generally considered to be caused by a direct stimulatory effect of androgen in men in the bone marrow in association with erythropoietin, a stimulatory effect of androgen on erythropoietin production in the kidney, and an inhibitory effect of …