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Cranking but not starting

Tiny
BILLANDSONYA TERRY
  • MEMBER
  • 1973 PONTIAC FIREBIRD
  • V8
  • 2WD
  • AUTOMATIC
  • 150,000 MILES
My old car was firing but not starting. I replaced the fuel pump and it cranked and ran better than it has in months. A day or two later I tried to crank it and it acted like it was not getting gas. I pulled the gas line to the carburetor off and it is definitely getting gas from the fuel pump into the carburetor. It will fire when I prime it with gas into the carburetor but otherwise will not crank. Still acts like it is not getting gas. Thanks
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Tuesday, October 23rd, 2018 AT 9:18 AM

7 Replies

Tiny
ASEMASTER6371
  • MECHANIC
  • 52,797 POSTS
Good morning.

What carburetor do you have? Did you replace the fuel filter in the carburetor?

I do not have any pictures of the old carburetors. If you could upload a picture of the carburetor, it would help.

Roy
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Tuesday, October 23rd, 2018 AT 9:33 AM
Tiny
BILLANDSONYA TERRY
  • MEMBER
  • 4 POSTS
Hey Roy, I replaced the fuel filter in the carburetor and it cranked right up and ran. Thanks so much for the information. Now I have a small leak of gas coming from where the fuel line goes into the carburetor. I am going to put some pipe tape on that and see if it stops it. Thanks a lot. Bill
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Tuesday, October 23rd, 2018 AT 12:52 PM
Tiny
ASEMASTER6371
  • MECHANIC
  • 52,797 POSTS
You are welcome.

There is a thin washer on the filter adapter. Make sure it is there as that is usually the reason for the leak.

Roy
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+1
Tuesday, October 23rd, 2018 AT 1:22 PM
Tiny
BILLANDSONYA TERRY
  • MEMBER
  • 4 POSTS
Will do, thanks Roy.
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Tuesday, October 23rd, 2018 AT 1:29 PM
Tiny
ASEMASTER6371
  • MECHANIC
  • 52,797 POSTS
You are welcome.

Glad to help.

Roy
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Tuesday, October 23rd, 2018 AT 1:34 PM
Tiny
BILLANDSONYA TERRY
  • MEMBER
  • 4 POSTS
I rechecked that washer and re-positioned it. Looks to have fixed the problem. Thanks again. I cannot wait until something else goes wrong so that I can get your advice, LOL. Bill
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Tuesday, October 23rd, 2018 AT 1:56 PM
Tiny
ASEMASTER6371
  • MECHANIC
  • 52,797 POSTS
Sounds good.

Roy
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Tuesday, October 23rd, 2018 AT 2:22 PM

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