All of the following statements are true EXCEPT:
A. catalytic converters can become plugged if they operate for a prolonged period when there is a misfire.
B. as a general rule, exhaust backpressure should not exceed 3.75 psi at wide-open throttle (WOT) under full load.
C. a rich air-fuel mixture can result in a plugged converter when it overheats and melts internally.
D. exhaust backpressure can be tested by removing the oxygen (O2) sensor and connecting a pressure tester using a special fitting.
Answer: B
You might also like to view...
The end points of the electric grid are ____________________.
Fill in the blank(s) with the appropriate word(s).
Low density vapors entering the compressor will mean low refrigerant flow through the compressor.
Answer the following statement true (T) or false (F)
Discuss precision sheet metal parts production.
What will be an ideal response?
On run capacitors, any sign of bulging of its body is a sign of a(n) ________ capacitor
A) charged B) old C) bad D) good