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Author Question: Technician A says a vacuum leak and lean air-fuel mixture can cause a rough idle or stalling. ... (Read 456 times)

HudsonKB16

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Technician A says a vacuum leak and lean air-fuel mixture can cause a rough idle or stalling. Technician B says spark knock (ping or detonation) is often caused by a too rich air-fuel mixture, or if the engine operating temperature is too low.  Who is right?
◦ Technician A
◦ Technician B
◦ Both technicians
◦ Neither technician


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Marked as best answer by HudsonKB16 on Nov 30, 2019

s.meritte

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HudsonKB16

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Reply 2 on: Nov 30, 2019
Excellent


kjohnson

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Reply 3 on: Yesterday
:D TYSM

 

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