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Auto 140 Chapter 3 Exam Questions And Answers
AUTO 140 CHAPTER 3 
 
An engine has late valve timing. Technician A says that this will cause poor low rpm performance. Technician B says that at higher rpm, engine performance might be acceptable. Who is right? 
 
Technician A only 
Technician B only 
Both A and B 
Neither A nor B - Answer-Both A and B 
 
hen an engine runs for a long period with an excessively lean air-fuel mixture, what kind of damage can result? 
 
Nothing, this is acceptable 
Burned parts (pistons, valves, pointed spark plu...