When the exhaust is rich, the PCM applies a ________ current into ...

[hubes95]

When the exhaust is rich, the PCM applies a ________ current into the pump cell.
 
  A) Neutral B) Positive C) Negative D) None of these

Question 2

When replacing a timing belt, many experts and vehicle manufacturers recommend that what other part(s) should be replaced?
 
  A) Water pump B) Tensioner assembly
  C) Camshaft oil seal(s) D) All of the above

[covalentbond]

Answer to Question 1

C

Answer to Question 2

D

[hubes95]

Wow, this really help

[pangili4]

Thanks for the timely response, appreciate it