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Title: Technician A says that a vacuum leak can cause a rough idle or stalling. Technician B says that ... Post by: OkeyDokey on May 30, 2018 Technician A says that a vacuum leak can cause a rough idle or stalling. Technician B says that spark knock (ping or detonation) is often caused by a too rich air-fuel mixture or an excessively low engine operating temperature. Which technician is correct?
A) Technician A only B) Technician B only C) Both technicians D) Neither technician Title: Technician A says that a vacuum leak can cause a rough idle or stalling. Technician B says that ... Post by: dsims_maniac on May 30, 2018 Content hidden
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