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Still wondering if a new fuel filter comes with new fuel pump?

As a follow up to previous question... the mechanic installed the new fuel pump and the gas gauge started working, when truck cut off and/or will not start, same mechanic did something under the car and the gas gauge no longer works, but truck started and did not cut off any that day. But that night, truck would not start again.

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  • Cars & Trucks Master
  • 2,432 Answers

Most cars have a strainer before the pump inlet and a inline external fuel filter. some have the filter and pump as one unit installed in the tank. the fuel gauge and float are attached to this unit . it is possible that the pump relay may be on the way out.

Posted on Nov 13, 2014

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Posted on Jan 02, 2017

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  • 6 Answers

SOURCE: 99 ford taurus will not start

buy a can of carburator cleaner, spray into duct area while cranking engine. Does engine try to start(fire)? If so, find inertia switch (button in trunk). 'reset button just by pushing it. If this switch was triped, fuel injectors or fuel pump will not operaate. If spraying carb cleaner does not help starting then fuel pressure should be checked to rule out fuel delevery problem. AS a precaution, make sure your useing the correct key(original). Security problems also shut off fuel.

Posted on Nov 21, 2008

chrischronic
  • 235 Answers

SOURCE: 1995 Ford Probe sputtering, dying. Won't start now.

to make sure the fuel pump is operating get in a quite place get in vehicle and turn ignition switch on position you should hear alittle buzz for about 2 seconds try this several times if no buzz is heard then the fuel pump is not running. check fuel pump relay in power box by switching relay with one of same type thare should be one of same type in the box if not then purchase one and try it. If the pump is ok then you know you have a firing problem. check to see if you have spark by taking one of the spark plugs out then hook spark plug wire to it lay it on engine and look for spark while someone turns the ignition switch as if trying to start car

Posted on Dec 18, 2008

  • 4 Answers

SOURCE: 1994 Chevy S-10 Blazer 4-door fuel pump replaced but not working

you should have 2 ecm fuses under the dash in the fuse box check these one of them is probably blown I have had 2 s10 that blow this fuse occasionally

Posted on Jan 31, 2009

cadman000
  • 607 Answers

SOURCE: 1990 chevy silverado fuel pump

It does seem to be a fuel problem, If your engine is fuel injected the fuel pump is in the gas tank. As far as the ground it is grounded through its harness and mounting.. First thing I would do is put a fuel gauge on the fuel rail fitting and check fuel pressures. Pump wil run for a few seconds when the key is turn ON., and then stop ( assuming its working ) A lack of pressure willindicate an inop pump, or even possibly a clog in the fuel filter. Let me know.

Posted on Mar 30, 2009

  • 1 Answer

SOURCE: Engine cranks, won't start. Three days later, it starts???

probaly a fuel pump its common for vehicles to do that the best thing to do next is a fuel pressure check to verifiy its the pump

Posted on Apr 15, 2009

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We have replaced fuel pump in a 98 ego metro LSi drove home ran fine. Now it won't start any ideas why it won't start.


Pam, was the fuel filter replaced at the same time that the fuel pump was replaced? If not, replace the fuel filter. Often, the filter will get clogged with debris. When that happens, the fuel pump will be ruined. Replacing the pump without replacing the fuel filter can ruin the new pump. It is also possible that your new fuel pump is defective. Now that most replacement parts are made in China and the third world, there is virtually NO quality control. I'm a professional mechanic and defective brand new parts are a BIG problem in this industry. Was the fuel pump relay replaced when the new fuel pump was installed? Always install a new relay, as a failing [your old] fuel pump will often damage the relay. This will cause problems with the new fuel pump. I would advise that you install a fuel pressure test gauge to the engine. This will allow you verify whether or not the engine is receiving enough fuel pressure. If the pump works but the pressure is low, also check the fuel pressure regulator. The web links below should help you.


How to Check for Fuel Delivery in Geo Metro eHow

FYI, there is also a "sock" style pre-filter on the fuel pump. This also needs to be replaced any time that you replace the fuel pump.

Mar 13, 2015 | Cars & Trucks

1 Answer

How to change 1984 chrysler new yorker 2.6l from an electric fuel pump to a mechanical fuel pump.


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

Nov 21, 2013 | Cars & Trucks

1 Answer

If i put a little gas in the carberator and fight with my blazer it will start and stay started, but if i leave it for awhile, it will turn over but not start. i cant figure out if it is electric or...


Get a fuel pressure gauge and connect it to the rail for the fuel injectors to read pressure.

If the pressure is too low, it might be a bad fuel pressure regulator or pump:

Fuel Pressure Regulator Removal & Installation 2.2L Engine To Remove:
  1. Relieve the pressure in the fuel system.
  2. Disconnect the negative battery cable.
  3. Disconnect the vacuum hose from the fuel pressure regulator.
  4. Remove the pressure regulator mounting screw.
  5. Remove the fuel pressure regulator assembly with O-ring. Inspect filter screen for contamination. If contaminated, remove and discard.
Fuel pressure regulator removal/installation (2.2L SFI engine) gm-05-22-619.gif

To Install:
  1. Apply clean engine oil to the new pressure regulator O-ring and install the O-ring on the regulator.
  2. Install the regulator on the fuel rail. Apply thread-locker to the mounting screw.
    • Tighten the screw to 106 lb in (12Nm).
  3. Connect the negative battery cable.
  4. Use the following procedure to pressurize the fuel system and check for leaks;
  5. Turn the ignition ON for 2 seconds.
  6. Turn the ignition OFF for 10 seconds.
  7. Turn the ignition switch back ON to run the fuel pump again and pressurize the fuel system.
  8. Check the fuel rail assembly for fuel leaks.
4.3L Engine RPO L35 To Remove:
4.3L (RPO L35) Fuel meter body assembly gm_trk_sil15_02-04_43_fuel_metr_body_assy.gif

  1. Before servicing the vehicle, refer to the Cautions and Warnings in the beginning of this section
  2. Remove or disconnect the following:
    • Upper intake manifold (See: Upper Intake Manifold)
    • Fuel pressure regulator retainer clip (M) and discard the clip
    • Regulator (N) from the housing by twisting and pulling the fuel pressure regulator (N) and using a shop towel to catch any spilled fuel
    • Regulator seal O-ring (R) and discard the O-ring seal
    • Regulator filter (Q) and discard the filter
    • Regulator seal O-ring (P) and discard the O-ring seal
    • Backup ring (O) and discard the ring
  3. Cover the fuel pressure regulator housing to prevent contamination from entering the fuel system
To Install:
4.3L (RPO L35) Fuel meter body assembly gm_trk_sil15_02-04_43_fuel_metr_body_assy.gif

  1. Lubricate the NEW O-ring seals with clean engine oil
  2. Assemble the following new parts to the fuel pressure regulator:
    • Backup ring (O)
    • Regulator seal O-ring (P)
    • Regulator filter (Q)
    • Regulator seal O-ring (R)
  3. Install or connect the following:
    • Fuel pressure regulator with the vacuum tube pointing down
    • Fuel pressure regulator retainer clip (M)
    • Upper manifold
  4. Test drive the vehicle to confirm the repairs
RPO LU3 To Remove:
4.3L (RPO LU3) Fuel meter body assembly gm_trk_sil15_02-04_43_rpolu3_fuel_metr_body_assy.gif

  1. Before servicing the vehicle, refer to the Cautions and Warnings in the beginning of this section
  2. Remove or disconnect the following:
    • Upper intake manifold
    • Fuel pressure regulator retainer clip (E)
    • Regulator (F) from the housing by twisting and pulling the fuel pressure regulator (F) while using a shop towel to catch any spilled fuel
    • Regulator seal O-ring (J) and discard the O-ring seal
    • Regulator filter (I) and discard the filter
    • Regulator seal O-ring (H) and discard the seal
    • Backup ring (G) and discard the backup ring
  3. Cover the fuel pressure regulator housing to prevent contamination from entering the fuel system
To Install:
4.3L (RPO LU3) Fuel meter body assembly gm_trk_sil15_02-04_43_rpolu3_fuel_metr_body_assy.gif

  1. Lubricate the NEW O-ring seals with clean engine oil.
  2. Assemble the following new parts to the fuel pressure regulator:
    • Backup ring (G)
    • Regulator seal O-ring (H)
    • Regulator filter (I)
    • Regulator seal O-ring (J)
  3. Install or connect the following:
    • Fuel pressure regulator (F) with the vacuum tube pointing down
    • Fuel pressure regulator retainer clip (E)
    • Upper intake manifold
  4. Test drive the vehicle to confirm the repairs
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Nov 04, 2010 | 2002 Chevrolet Blazer

2 Answers

I have a 1964 oldsmobile super 88. where is the fuel pump. it has an electric pump underneath. however i replaced it and the car ran for a day. now there is no fuel to the carb. thinking of .....


OEM fuel pump was mechanical, driven by the cam and is bolted to the block

if with the replaced electric fuel pump still no fuel, then check power and ground remove the output line and check for fuel there

possible clogged fuel filter... the one mounted on the carb and/or in the fuel line to the carb.... yes there should be TWO filters!

Mar 18, 2010 | Oldsmobile 88 Cars & Trucks

2 Answers

Car starts but will rev up a couple of seconds then cut off. but will stay running if I accelerate but will potential cut off again if come to a stop. does this for about the first half hour its on. What...


If the problem of your car is the fuel filter .You have to locate the fuel filter and prepare the equipment or tools to be used in checking the or repairing the fuel filters.there are two filters , the primary filter and the secondary filter.Disconnect the fuel lines at fuel filter observe safety practices. if the present fuel filter is dirty and not any more use full then replace and install new fuel filter. If the problem is the fuel lines then you have to locate the fuel pump then prepare the tools or equipment to be used in servicing the fuel lines.Visual inspection on duel line for learage.Disconnect lines at fuel pump and fuel tank.Use compress air to remove sediments on fuel lines .Re install fuel lines to the unit.Locate the fuel pump . Prepare the tools or equipment in repairing the fuel pump.So that fuel pump will operate properly. locate the fuel pump.Disconnect the fuel lines from the fuel pump.Remove fuel pump from the engine.Dis assemble fuel pump.Check daiphram for defects .Replace defective parts.Assemble and install fuel pump.If you don't have time to do it then it is advice. that you go to the toyota car shop and let the mechanic to do the job .One of the kind of engine that I studied as a mechanic are toyota 3K ,and 4K .

Oct 15, 2009 | 2002 Toyota Camry

1 Answer

Hi i have a mb vito 108 cdi 2000 i drove it low on diesel and i wonder if theres a pump in the tank ? and filter in the main pump ? best regards from patrik sweden


hello,good day,no pump in fuel tank,it has a mechanical pump located at front of your engine,mechanical pump then a high pressure pump,your fuel filter is mounted in your engine side,ty

May 18, 2009 | Mercedes-Benz SLR McLaren Cars & Trucks

3 Answers

Unable to locate the position of the fuel filter


Follow the (usually steel) fuel lines from the engine bay underneath the vehicle all the way back to the fuel tank. fuel lines may resemble brake lines, they usually look very much alike. Find your fuel rail, it connects to fuel injectors, and then follow it to find the fuel lines that go to the fuel tank.

You may have to remove plastic covers from underneath the vehicle, one kia I worked on the fuel filter was halfway up the side of the fuel tank and we had to remove the whole undercarriage cover from underneath the vehicle to follow the fuel lines to it.

I assume you have the new fuel filter, so you know what you are looking for, if you don't it looks like a can with a fuel line coming out of either side of it. Similar to what an engine oil filter looks like, usually quite a bit smaller though.

Hope this helps :)

May 10, 2009 | 2003 Kia Sorento

1 Answer

New fuel pump didn't work to get the truck going....


IF it is a mechanical fuel pump...
Poss worn out Cam Shaft... not making the pump work!



Apr 18, 2009 | GMC G1500 Cars & Trucks

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