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Not starting

Tiny
ASEMASTER6371
  • MECHANIC
  • 52,797 POSTS
Thank you.

What do you believe is the tell tale sign of the regulator? Are you leaving the fuel pressure tester on it while you are driving?

Roy
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Friday, September 21st, 2018 AT 1:11 AM
Tiny
KEITH LOTHROP
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  • 46 POSTS
From what I have read the signs of a faulty fuel pressure regulator are rough idling, poor acceleration response, backfiring, black exhaust smoke, and unusual exhaust odor.

From GMCTruckClub. Com
Fuel Pressure Regulator Failure Symptoms:
Engine runs rough
Engine stumbles or sputters
Engine runs very rich - black smoke from the exhaust
Engine will not start
Engine starts but stalls shortly after startup
Noisy fuel pump
Noticeable decrease in fuel mileage

No, I have not tried driving with the tester on, I am not even sure that I could without removing the hood because of the hose.
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Friday, September 21st, 2018 AT 11:44 PM
Tiny
ASEMASTER6371
  • MECHANIC
  • 52,797 POSTS
You would need a longer hose.

A lot of those symptoms can come from other components not just the regulator.

Roy
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Saturday, September 22nd, 2018 AT 3:40 PM

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