Not getting gas in carberater float

Tiny
VINCE LETTAU
  • MEMBER
  • 1987 PONTIAC FIREBIRD
  • 5.0L
  • V8
  • RWD
  • MANUAL
  • 135,000 MILES
If I pour gas in carberater it will run just fine, starts then stalls once it ran for ten minutes and then quit. Check fuel pump and getting fuel through to carb. Change fuel filter, and still stalls. Runs if I our gas in car. My choke light on the dash comes on and stays on. Any idea?
Thursday, July 31st, 2014 AT 3:43 PM

3 Replies

Tiny
FREEMBA
  • MECHANIC
  • 1,152 POSTS
Does this car have a carburetor or is it fuel injected (throttle body fuel injection0?

Check the engine oil. Believe it of not this is important to the running of this car, because it is wired to turn the engine off if oil pressure drops below a safe level. [Oil pressure can drop due to the engine being low on oil or because of mechanical problems which cause low oil pressure]
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Thursday, July 31st, 2014 AT 6:02 PM
Tiny
VINCE LETTAU
  • MEMBER
  • 33 POSTS
Yes this car has a caburater, with two electric wires going on each side of the carburater. Has a oil pressure gauge but didn't notice low oil pressure. What are the electric plug in the carb for.
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Thursday, July 31st, 2014 AT 6:54 PM
Tiny
FREEMBA
  • MECHANIC
  • 1,152 POSTS
What you're describing is not a carburetor. Its called throttle body injection. The wires run to the injectors. (This was an early for of fuel injection that some manufacturers used).

Check your engine for a vacuum leak at one of the vacuum hoses.
Also switch the fuel pump relay with another identical relay (you'll find another on in the same fuse box). If that cures the problem then you know that the original fuel pressure relay was bad.

Could the fuel in the tank have gone bad by sitting there for many months?
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Saturday, August 2nd, 2014 AT 7:30 PM

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