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.
For 2003.5 MY and later F-250 through F-550 and Excursion with the 6.0L DIT Power Stroke Diesel EnginePrimary Fuel Filter Location under driverâs side frame 1. With a basin positioned below the fuel/water drain plug, remove fuel/water drain plug and drain until fuel stops. Note: Dispose of fuel properly.ey vehicle On (BUT DO NOT START ENGINE) three times for 30 seconds. This will charge fuel system and move fuel through the pump, the final step in fuel filter change. 2. 1 Motorcraft 6.0L diesel engine fuel filter Remove fuel filter and O-ring.