Technician A says that the catalytic converter is warranted for 8 years or 80,000 miles, whichever comes first. Technician B says that after replacing the catalytic converter, the old converter must be kept for possible inspection for 60 days. Which technician is correct?
A) Technician A only B) Technician B only C) Both technicians D) Neither technician
Question 2
A P0422 (catalytic converter efficiency failure) is set. What is a possible cause?
A) Fuel contamination B) Engine mechanical fault
C) Exhaust leak D) Any of these
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Cyanobacteria from 850 million years ago (Photo 2)
Earth 600 Million Years Ago