Question about 1991 Pontiac Firebird

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1991 pont. firebid 3.1l v6 is ******* on me all the time!!!!!!

I have replaced my fuel pump and fuel filter in tank and in line, put new intake cover gaskets and 40$ of fuel treatment in it even a new air filter, oil and oil filter change, i bleed the gas line and im getting great fuel pressure and a **** load of spark(enough to zap the hell out of me) and the enine sounds like it wants to turn over but it jus tries then dies.....one person said that my enjectors were bad but i dont wanna spend more money if i dont have to.........this car has pissed me completley off but i love it and i jus want it to run right again......please help me b4 i lose my mind!!!!!

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Check the cam sensor to make sure its good. you already know the crank sensor is good since youre getting fire...

Posted on Feb 17, 2009

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3 Answers

1997 chevy blazer what could it be


I had a 1997 s10 4*4 with the 2.8 v6.
mine do that I had to pull the gas tank replace fuel filter plus had to take undo the line from the intake and blow air thru it. Make sure all u're filter are replaced and y u have the tank down replace the fuel pump. I hope this helps u

Jun 23, 2014 | 1997 Chevrolet Blazer

1 Answer

1991 f 350 wont stay running7.3 deisel new injecters new glow plugs new fuel filter have to put gas on a rag and cover intake starts but u put into gear and dies


Many things to check. Wonder if this work was done to alleviate problem or problem was from doing the work.

Putting gas fumes in a 21:1 compression cylinder is sure way to ruin engine.

2 possible problems are losing your diesel fuel draw from an air leak in the fuel lines and an inoperative glow plug timer.

When you change a fuel filter you lose the vacuum lock that is in the fuel lines. Some mechanics add fuel to the new filter to remove some of the air and promote fuel draw. The O rings on the injector lines are a special type which resists petroleum products. Using cheap O rings will cause problems.

Glow plug timer-there is a power Relay to the timer and the timer itself is a type of Relay. You should hear clicking noise and lights should dim as timer provides power to the glow plugs.

Other things to check would be the Vacuum pump as Diesels work differently than gas engines and require a pump to supply Vacuum. Covering the intake suggests engine needs a Vacuum draw.

Weak fuel pump. Too weak to pressurize or draw fuel. Can be measured with pressure gauges.

Really bad rings could also cause symptoms.

Would be interested knowing what proved to be wrong.

Sep 29, 2013 | 1989 Ford F 250

1 Answer

Installed new fuel pump because car had old gas in tank. removed tank and completly drained it. replaced tank and installed new fuel pump and fuel filter. put about 6 gallons of gas in car. have tried to...


Okay, you need to make sure the fuel pump is getting power and that you have the lines hooked up correctly. Also, when you replace fuel pumps you need to remove the air cleaner and use starter fluid to get the engine started.

Jul 09, 2011 | Nissan Z Cars & Trucks

1 Answer

My 1991 saturn has no gas at filter zero gas flow what do i check 1st


First make sure you have lots of gas in the tank, between a quarter and half. Turn the ignition on and listen for a humming or buzzing noise coming from the tank. The fuel pump should run for a few seconds. If there is no noise you will have to check for a blown fuse. No bad fuses, change the fuel pump.
If the pump runs, remove the fuel line from the tank end of the filter and turn the key on for a secoond or 2. If there is lots of fuel then replace the filter. If fuel just dribbles replace the pump.
If you have to work on the fuel pump, make sure the electrical connections are not corroded and are not loose. Also check the rubber hoses at the connection. Sometimes they will go soft and collapse, plugging the fuel line. Make sure you put the fuel lines back on properly. Hope this helps.

Sep 18, 2010 | 1991 Saturn SL

1 Answer

Where is the fuel filter on a 2000 Mazda Millenia 2.3 V6


Fuel Pump-Mounted Filter
  1. Before servicing the vehicle, refer to the precautions in the beginning of this section.
  2. Properly relieve the fuel system pressure.
  3. Remove or disconnect the following:
    • Negative battery cable
    • Fuel pump cover plate
    • Fuel lines from the fuel pump
  4. Raise the fuel pump from the tank.
  5. Remove the fuel filter assembly.
To install:
  1. Install or connect the following:
    • Fuel filter to the fuel pump. Lower the pump assembly into position
    • Fuel lines
    • Negative battery cable
  2. Start the vehicle, check for leaks and repair if necessary.
  3. Install the fuel pump cover plate.

Inline Filter
  1. Before servicing the vehicle, refer to the precautions in the beginning of this section.
  2. Properly relieve the fuel system pressure.
  3. Remove or disconnect the following:
    • Negative battery cable

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Exploded view of an in line fuel filter and related components

  • Air intake hose and/or filter housing, if necessary
  • Fuel line clamps, if equipped
  • Fuel lines from the filter and plug the openings
  • Filter clamp bolt/nut by loosening them.
  • Fuel filter from its mounting bracket

  • NOTE Note the direction of the flow arrow on the filter so the replacement filter can be installed in the correct position.


    To install:
    1. Install or connect the following:
      • Fuel filter in its mounting bracket, making sure the flow arrow is pointing in the proper direction
      • Fuel lines to the fuel filter
      • Fuel line clamps, if equipped
      • Air intake hose and/or filter housing, if removed
      • Negative battery cable
    2. Pressurize the fuel system and check all connections for leaks.

    May 24, 2010 | 1998 Mazda Millenia

    3 Answers

    My Speedometer stop working , the check engine


    input or out put speed sensor on trans

    Oct 21, 2009 | 1991 Buick Century

    3 Answers

    I have a 88 Fiero GT V6 that has sat for over a year without starting. I put in 5 gallons of gas, and used starting fluid. Starts, but only keeps running while fuel is poured into intake. I suspect water...


    1) Running fuel pump to remove water from tank will likely not empty it all, but it might help. Will still be some liquid in bottom of tank.

    2) More than likely, the gas has gummed up and is no good, While your draining of the tank will help, may still need to change the fuel filter and clean the injectors. The ability to keep engine running while pouring into the intake is a good sign, but mayfind that more parts need to be cleaned and replaced prior to solving the problem.

    Oct 19, 2009 | 1988 Pontiac Fiero

    2 Answers

    Fuel pump


    Check under you back seat... remove the cover, remove the fuel pump and install the new one, then install de cover again, and then the back seat.

    Jul 18, 2009 | 1991 Honda Accord

    1 Answer

    1991 Iuzu trooper no gas


    Check your fuel pump relay.

    Mar 17, 2009 | 1991 Isuzu Trooper

    1 Answer

    1991 pontiac sunbird 3.1 v6


    the pump is in fuel tank the filter will be under car near the fuel tank on left side

    Nov 11, 2008 | 1991 Pontiac Sunbird

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