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.
Testing the fuel pump is easy, and makes sense prior to dropping the tank to replace the pump. In the Engine Compartment on the passenger's side, there is a small box located on the fender well and should read Diag or Diagnos. Open this box, on the inside/top of the box, there is a diagram for the electrical layout.ou will need to take the fuel tank off the 1991 Toyota Celica GT  and remove the fuel pump and replace it. Always make sure to drain  the gas before you take the tank off t â¦ he car.