What should be done if the fuel pressure regulator will NOT hold ...

[roselinechinyere27m]

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

[sabina576]

Answer 1

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

Answer 2

Replacement

[roselinechinyere27m]

Wow, this really help

[LVPMS]

Gracias!