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Author Question: What should be done if the fuel pressure regulator will NOT hold vacuum? (Read 25 times)

roselinechinyere27m

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on: Aug 13, 2021

Question 1

What could be the problem if a noid light remains on (does not flash) with the engine cranking?
◦ Short to ground in the injector ground circuit, or defective PCM.
◦ Blown injector fuse.
◦ Low system voltage.
◦ High injector resistance.

Question 2

What should be done if the fuel pressure regulator will NOT hold vacuum?
◦ Replacement
◦ Cleaning
◦ Nothing; this is normal.
◦ Adjustment


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Marked as best answer by roselinechinyere27m on Aug 13, 2021

sabina576

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Reply #1 on: Aug 13, 2021

Answer 1

Short to ground in the injector ground circuit, or defective PCM.

Answer 2

Replacement


roselinechinyere27m

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  • Posts: 557
Reply 2 on: Aug 13, 2021
Thanks for the timely response, appreciate it

Viet Thy

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Reply 3 on: Yesterday
Gracias!

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