From Wikipedia, the free encyclopedia. Acute exacerbation of COPD also known as acute exacerbations of chronic bronchitis (AECB) is a sudden worsening of COPD symptoms (shortness of breath, quantity and color of phlegm) that typically lasts for several days.It may be triggered by an infection with bacteria or viruses or by environmental pollutants.hortness of breath and wheezing are present in many cases. Exacerbations may be accompanied by increased amount of cough and sputum productions, and a change in appearance of sputum. An abrupt worsening in COPD symptoms may cause rupture of the airways in the lungs, which in turn may cause a spontaneous pneumothorax.
Confidence votes 262K. To reset the fuel filter warning light off for the Toyota hilux one must replace the filter that switch the car on and off. They must also click the rest button.
Check to see if the fuel is contaminated with rust or water:To check remove and empty out fuel filter (from the inlet side) into a clean,dry can, or if your vehicle has a drain plug on the fuel tank, empty some fuel from the tank into a clean, dry can. Remember Water and Fuel do not mix.EBER CARBURETOR TROUBLESHOOTING GUIDE B. Test the fuel flow at the fuel filter and then at the Fuel Pump:If fuel flow is not adequate go to step 2C.C. Check to see if the fuel tank is empty or if the lines are blocked.