Technician A says that a leaking head gasket can be tested for by using a chemical tester. Technician B says that a leaking head gasket can be found using an exhaust gas analyzer. Who is correct?
A) Technician A only B) Technician B only
C) Both technicians A and B D) Neither technician A nor B
Question 2
Which of the following is the LEAST LIKELY to cause an engine noise?
A) Carbon on the pistons B) Cracked exhaust manifold
C) Vacuum leak D) Loose accessory drive belt