There is an instance in which there is NO minimum height, and it is important to understand. If your employees are working over dangerous equipment, machinery, or any hazard into which they could fall, they must have fall protection at all times or machine guarding needs to be put into place. No exception.
CATALYTIC CONVERTER FAILURES: If your catalytic converter needs replacing, then it is highly probable that at least one of the six causes below has contributed to its failure. An Oxygen Sensor is Not Functioning Properly. An oxygen sensor failuring can lead to incorrect readings of exhaust gasses.
1. Misfiring. Misfiring in the engine system can cause the catalytic converter to overheat. Alternatively, an exceptionally rich fuel mixture will exhibit similar symptoms. When there is a presence of an extra rich fuel mixture, raw fuel enters the catalytic converter and is ignited.