Question about 1995 Pontiac Bonneville

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1994 Pontiac Bonneville - No pressure at the fuel rail

There was a hole in my gas tank, I patched it up suspecting that was the reason why the there was no fuel going to my engine. I then looked under ther hood and saw that the hose to the pressure regulator was disconnnected, I thought for sure that it would solve my issue, but to no avail. i still am not getting pressure or fuel, but it sounds like the fuel pump turns on when I turn the key, so I'm thinking maybe the filter?

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  • jdeazypensac Aug 13, 2009

    I took off the fuel filter, and turned the key, and fuel came through. I bought a new fuel filter and checked the air lines and she crunk right up, thanks, I guess a good fuel filter really makes a difference.

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A defective pump will run but not pump too. The impellers have sheared off.

Posted on Aug 12, 2009

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Car will not start no gas coming out of fuel rail


check for power to the fuel pump and pump operation. check filter condition. check for fuel in the tank (do not rely on the gauge) check for proper venting of the fuel tank as pumps will not pump if there is a vacuum in the tank

Nov 22, 2014 | 1999 Pontiac Bonneville

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No fuel to the fuel rail.pump is working


All fuel injected vehicles operate basically the same.fuel is pumped from tank through line to filter then to rail where injectors are attached,at end of rail there is a gate or fuel pressure regulator which opens and closes to release or retain pressure in rail depending the engines fuel demand.then fuel leaves regulator and returns back to tank and the cycle is complete.if you have fuel out engine side of filter then i would separate at every union forward until you find either leak or restriction.ps this system operates at approx 50 psi which will be more than just a dribble.

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94 bonneville dies if not spraying starting fluid in throttle body


if it only runs when your spraying fluid into it then you have a fuel pump problem that will have to be checked out.check to see if you can hear the pump run when trying to start the car at the fuel tank or by removing the gas cap and listening in the filler tube you should hear a humming noise.then while someone is trying to start the car hit the gas tank with something but not so hard you dent it if it starts then the pump will need replacing.the fuel pump is located in the gas tank.

Nov 08, 2011 | 1994 Pontiac Bonneville

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We just had a major storm i think maybe moister got in gas tank i was wondering if a can of dry gas would work


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How much work is involved in cleaning the fuel injectors on a 1997 Bonneville?


you can buy cans that you put into the gas tank when you fill up(one can each fill up)but this take along time to do its job if it can,the only real way to clean injectors is with a fuel injection cleaning machine that also cleans the fuel rail were some dirt gets caught.these machines connect to the fuel rail and pressurize the system while the car is running in a bay for about 20-30minutes and works the best.of course this is done at a repair shop as this type of cleaning is expensive to buy the machine for an individual to use may be twice.the injectors could also be so plugged with dirt you may have to replace the injectors.

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Acts like the fuel is shut off at times


Check fuel pressure in the fuel rail or replace the fuel pump in tank if fuel delivery problem persists.

Sep 03, 2010 | 1988 Pontiac Bonneville

1 Answer

How do I replace the fuel pressure regulator on my 96 pontiac bonneville? Is it something that is recommended for a mechanic, or can I do it myself? Is it causing my car to stall?


Well its easy to check find the regulator on the fuel rair next remove the vacuum line and see if there is any gas in te line if not have some one start the car if the regulator starts leaking gas out its shot. Its a easy repair take the vacuum line off loosen the big nut on the regulator and remove the smaller hold down bolt now becarefull at this point the fuel rair is under hight pressure so put a rag over the regulator or put on some safety glasses and start to wiggle or pry the regulator from the fuel rail. When u get it out match it up to the new one and make sure all the old o rings are removed from th fuel rail put the new one in start the car and check it for leaks.

Jan 10, 2009 | 1995 Pontiac Bonneville

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