Fuel system

Asked by Jason Apr 17, 2016 at 12:33 AM about the 1985 Pontiac Firebird

Question type: Maintenance & Repair

I have a 1985 pontiac firebird , the car fired right up
every day . 3 days ago it ran out of gas while
running in my driveway. I put fresh gas in it and
went to fire it up and nothing it just keeps turning
over but doesn't start. Today i checked to see if
maybe i caused a vapor lock or something so i
released pressure in fuel system and re primed the
fuel system . So i am getting gas to the fuel rail ,
and i checked for spark and i am getting spark at
the plugs. But when i pulled out a couple of plugs
to check them they looked dry so my question is,  if
i am getting gas to the fuel rail but not to the
cylinders what would cause that to happen ? Could
my fuel pressure regulator be bad all the sudden
from running out of gas , or could it be a sensor ?  
Out of ideas need a answer lol .

2 Answers
221,045

Rowefast answered 8 years ago

You mentioned a fuel rail so I am assuming that it is fuel injected. Fuel pressure should be 9 to 13 lbs. Running out of gas you may have sucked up dirt on the fuel pump strainer that is attached to the electric fuel pump in the gas tank. There may be an access panel to go threw under the back seat or in the trunk. If not then you would have to drop the gas tank. If you go threw all that trouble you would want a new fuel pump and strainer to put in. Also change out the fuel filter.

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