I have a 2001 oldsmobile silhouette the fuel pump is working I sprayed starting fluid in the intake it fired up and ran for about 10sec. I was told I needed to change the fuel pressure regulator I did now it wont run and if I spray starting fluid in it backfires flames out of the intake


Asked by Dec 08, 2014 at 12:18 PM about the 2001 Oldsmobile Silhouette

Question type: Maintenance & Repair

5 Answers


Did you change the fuel filter? If it's plugged up it won't get fuel to the regulator. Are you positive the pump is working?


Yes i changed filter & regulate I'm getting fuel &spark but won't start at all now even with starting fluid & now backfires thru the intake when I use starting fluid i pulled out a plug & it's dry like no fuel is getting to them

1 out of 1 people think this is helpful.

Where are you checking the fuel at then? It could be bad fuel injectors? You can take them off and have them bench checked.


I had this problem on my 98 It was due to wet and dirty electrical connection. I believe it is the one that plugs in the fuel pump.

1 out of 1 people think this is helpful.

my 2003 back fires but wont start up

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