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Author Question: On a vehicle with a mass airflow injection system, which of the following is likely to occur with a ... (Read 87 times)

cagreen833

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Question 1

Most port fuel-injected engines operate on how much fuel pressure?
◦ 3 to 5 psi (21 to 35 kPa)
◦ 9 to 13 psi (62 to 90 kPa)
◦ 35 to 45 psi (240 to 310 kPa)
◦ 55 to 65 psi (380 to 450 kPa)

Question 2

On a vehicle with a mass airflow injection system, which of the following is likely to occur with a vacuum leak at idle?
◦ Lean fuel mixture
◦ Rich fuel mixture
◦ No fuel mixture change
◦ None of these



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Marked as best answer by cagreen833 on Aug 13, 2021

stillxalice

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Answer 1

35 to 45 psi (240 to 310 kPa)

Answer 2

Lean fuel mixture




cagreen833

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Reply 2 on: Aug 13, 2021
Gracias!


shewald78

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Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

 

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