Question about Cars & Trucks
I just found out that my car has an electric fuel pump still installed but it runs to the fuel filter then to the mechanical fuel pump then to another fuel filter before finally going into the carburetor. I think at one time someone changed this car from an electric fuel pump to a mechanical fuel pump but didn't do it right so it has been running off the electric fuel pump til it finally broke down and wont pump fuel anymore. Is there a way to just do away with the electric fuel pump since there is already a mechanical pump in the motor? Maybe run the fuel line instead of through the first filter just running the fuel line straight to the mechanical fuel pump? Will this make the electric fuel pump void and just allow the mechanical pump to pump the fuel?
Replace the mechanical pump with a new unit and that will remove any reason of broken/failure from the equation. Remove the electric pump altogether and leave 1 filter in the line before the mechanical pump. Mechanical pumps are not in favour with some people who have no idea that they can be adjusted to give more pressure and greater volume for the bigger capacity engines. Some mechanical pumps are more expensive to repair / replace but if you price an electric pump to supply the volume that a properly adjusted or a larger capacity mechanical pump then the cost saving is minimal. Unless you get a fuel filter that is rated with a smaller micron rating than the standard filter any number of filters will not work as the smallest particle will get through the lot
Posted on Nov 21, 2013
Testimonial: "so does this mean I can just run the fuel line to the fuel pump and then the mechanical fuel pump to the filter then to the carb? I don't see the point in the fuel filter that is placed before the mechanical pump, since there is a filter after the pump. I just want to hook up the fuel line to the mechanical pump and unplug the electrical pump to see if it will pump the gas through to the carb. This shouldn't hurt anything right? Do you think it would work without unplugging the electric pump since the electric pump is bad and doesn't work anyways? Use the old electric pump as a stopper for the hole that would be there if I took it out. I just want to know if I can try this without severely messing up my car."
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Posted on Jan 02, 2017
Replace the distributor's magnetic pickup located inside the distributor surrounding the distributor shaft, the only other thing thankfully on this ignition system if memory serves me on the f 150 straight six 300 cu inch is the dura spark ignition control box, of course do the obvious tune up parts replacement dist.cap rotor,plug , sparkplugs before spending the $40.00 - $50.00 bucks on the dist.. pick up, you may have a weak a fuel pump check for adequate fuel pressure at carb 7 - 10 lbs.
Posted on Aug 06, 2009
check if you have a spark when engine dies. if not, check the rpm sensor or ignition coil. both have the simptoms like you describe.
Posted on Oct 08, 2009
SOURCE: car runs good then cuts
I have a 1994 bucik Park Avenue Ultra The car dirve good then it cuts off the service engine light will come on and stay on for the duration of the trip. the car will start back up but now it will cut off and take a while for it to start back up, sometimes when im driving and give it gas it will stall unless i ease off the gas a slightly give it gas. whats the problem? I also have a 1994 buick Lesabre had a slight similar problem I was told its the throttle control sensor is it?
Posted on Jun 12, 2011
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