Question about 2008 Smart fortwo

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My smart fortwo cdi engine stopped. There is no fuel pressure if I disconnect the fuel line from the filter. Does it have an el. fuel pump, because I can't hear any noise? Thanks!

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Hi, i;ve never worked on one of these, but, it must have an electrical fuel pump. the easiest way to check this is to jack the car up and look up under the rear and near the fuel tank. these pumps are INLINE meaning FUEL PIPE IN THE CENTRE (IN) arrowed toward the engine and FUEL PIPE IN THE CENTRE (OUT). these have 2 conectins IGNITION FEED and GROUND. if you switch on ignition and NO FUEL. then NO IGNITION FEED / RELAY / BAD CONNECTION / NO EARTH / COMPLETE DISCONECTION / FUEL PUMP BLOCKED / FUEL PUMP (INTERNALALLY OPEN CIRCUIT pump needs replacing). i hope this has helped. gerry

Posted on Sep 11, 2010

  • 5 more comments 
  • vertaljotcsi Sep 11, 2010

    Thanks.
    I don't think it has an el. fuel pump.
    The fuel line beetwen the filter and the tank is clogged. At least seems to be, because I can't clear it with pressured air.

  • vertaljotcsi Sep 11, 2010

    Thanks.
    I don't think it has an el. fuel pump.
    The fuel line beetwen the filter and the tank is clogged. At least seems to be, because I can't clear it with pressured air.

  • vertaljotcsi Sep 11, 2010

    Thanks.
    I don't think it has an el. fuel pump.
    The fuel line beetwen the filter and the tank is clogged. At least seems to be, because I can't clear it with pressured air.

  • vertaljotcsi Sep 11, 2010

    Thanks.
    I don't think it has an el. fuel pump.
    The fuel line beetwen the filter and the tank is clogged. At least seems to be, because I can't clear it with pressured air.

  • vertaljotcsi Sep 11, 2010

    Thanks.
    I don't think it has an el. fuel pump.
    The fuel line beetwen the filter and the tank is clogged. At least seems to be, because I can't clear it with pressured air.

  • vertaljotcsi Sep 11, 2010

    Thanks.
    I don't think it has an el. fuel pump.
    The fuel line beetwen the filter and the tank is clogged. At least seems to be, because I can't clear it with pressured air.

  • vertaljotcsi Sep 11, 2010

    Thanks.
    I don't think it has an el. fuel pump.
    The fuel line beetwen the filter and the tank is clogged. At least seems to be, because I can't clear it with pressured air.

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1 Answer

Changing fuel filter how do I release the fuel pressure can I unplug the fuel pump I have easy access to it


Just take out the fuel pump fuse, then run engine until it stalls. That's about the same as disconnecting the fuel pump and run engine until it stalls. Just disconnecting the pump will not relieve pressure, as there is a check valve at the pump which holds pressure in the line.
When engine stalls, there will still be some fuel in the line, maybe with a small amount of pressure, so use a rag to catch the fuel spill when you take line off at the filter.

Nov 25, 2015 | Cars & Trucks

2 Answers

How to check fuel pressure 91 geo storm gsi


1.6L DOHC (same way as the ISUZU impulse ) same car.
4XE1 engine twin cam.
has MPI injection with fuel rail, regulator and loop
disconnecting the feed line and stuffing it with guage only does 1 of 5 tests. done on MPI. it does JUST the shut test.
the correct way it to check it at the filter or rail tests ports on most cars.
in some cases you must add it.
they sell banjo fittings with test ports at summit racing dot com.
so the first question on all MPI cars, is , where is the stock fittings.
other cars the rail has a schrader valve or a plugged hole to add one. (test port) did you look first for this?
to test the FPR, unplug the vacuum line running
and pressure will jump up 6 to 10 psi.
this simulates wide open throttle pressure, a key fact in getting full power from engine, i test cranking presssure, idle, 3000rpm
and wot pressures to be sure the PFR is working, not just the pump.



the spec at the rail is.

Late 1986 to 1993 I-TEC MPFI system (after VIN 0908197)
Regulator vacuum line connected-36 psi
Regulator vacuum line disconnected-42.5 to 45 psi

the shunt test can hit 60 pis easy. do so for only 5sec.
as this stresses the pump .

the only rail drawing , shows no fittings (cheap buggers)



not even a cheap plug...

24024302-wtht4tipiqsxmsfaksxjx4vs-4-0.jpg below is the twin cam, 1.6L
buy a TEE feeting, and put it at upper, red arrow.
use clamps rated for fuel injection, not chezzy screw band clamps as seen on carb cars. use the correct parts.
or you will get leak and it will not be pretty,
the filter as at 14 ID. this is the pressure feed side of the loop.
30 to 60psi , so all parts must be rated over 60, psi, (100psi is a nice goal)

24024302-wtht4tipiqsxmsfaksxjx4vs-4-1.jpg

now the words directly from the IMPULSE FSM.

Testing
  1. Relieve the fuel pressure.
  2. Disconnect the fuel line near the engine and install fuel pressure gauge T-connector in the line.
  3. Connect the fuel pressure gauge to the T-connector.
  4. Start the engine and check the fuel pressure, it should be:
  5. 4XC1-Turbo and DOHC I-Mark, G200Z Impulse: 35.6 psi with the vacuum hose of the pressure regulator disconnected and plugged. 28.4 psi with the vacuum hose connected and at idle.
  6. 4ZC1-Turbo, 4ZD1 Impulse and 4ZE1 engine: 42.6 psi with the vacuum hose at the pressure regulator disconnected and plugged. 35.6 psi with the vacuum hose connected at idle. Disconnect the VSV before checking pressure.
  7. V6 engine: 9.13 psi at the fuel pressure line after the fuel filter.
  8. 4XE1 SOHC and DOHC engine: Flow test, disconnect the hose from the EFI fuel feed line at the engine and place in a suitable container. Apply battery voltage to the fuel pump. Pump should supply 1/4 quart (0.24L) within 15 seconds. Pressure test, connect a pressure gauge in the fuel pressure line after the fuel filter, located at the driver's side frame rail. Disconnect the vacuum hose from the pressure regulator. Apply battery voltage to the pump. After the pump stabilizes, the pressure should be 35-38 psi (245-256 kPa) and hold steady.

Apr 06, 2014 | Geo Storm Cars & Trucks

1 Answer

Fuel filter location 08' volvo v50 1.8 petrol?


Removal & Installation

Print

NOTE The fuel filter is either on the left side of the firewall or next to the fuel pump near the left side of the fuel tank.

  1. Before servicing the vehicle, refer to the Precautions section.
  2. Relieve the fuel system pressure.
  3. Remove or disconnect the following:

    Negative battery cable Fuel filler cap Fuel lines from the fuel filter Fuel filter from the bracket

To install:
  1. Install or connect the following:

    Fuel filter to the bracket Fuel lines to the fuel filter Fuel filler cap Negative battery cable
  2. Start the engine and check for leaks.


  3. 0900c152801c13b0.jpg enlarge_icon.gifenlarge_tooltip.gif

    Fig. Using an open end wrench to push the quick disconnect coupler sleeves back-5-cylinder models
    Using an open end wrench to push the quick disconnect coupler sleeves back-5-cylinder models



NOTE The fuel filter is either on the left side of the firewall or next to the fuel pump near the left side of the fuel tank.
  1. Before servicing the vehicle, refer to the precautions in the beginning of this section.
  2. Relieve the fuel system pressure.
  3. Remove or disconnect the following:

    Negative battery cable Fuel filler cap Fuel lines from the fuel filter Fuel filter from the bracket

To install:
  1. Install or connect the following:

    Fuel filter to the bracket Fuel lines to the fuel filter Fuel filler cap Negative battery cable
  2. Start the engine and check for leaks.

    0900c152801c13b0.jpg enlarge_icon.gifenlarge_tooltip.gif

    Fig. Using an open end wrench to push the quick disconnect coupler sleeves back-5 cylinder models
    Using an open end wrench to push the quick disconnect coupler sleeves back-5 cylinder models



NOTE The fuel filter is either on the left side of the firewall or next to the fuel pump near the left side of the fuel tank.
  1. Before servicing the vehicle, refer to the Precautions Section.
  2. Relieve the fuel system pressure.
  3. Remove or disconnect the following:

    Negative battery cable Fuel filler cap Fuel lines from the fuel filter Fuel filter from the bracket

To install:
  1. Install or connect the following:

    Fuel filter to the bracket Fuel lines to the fuel filter Fuel filler cap Negative battery cable
  2. Start the engine and check for leaks.

    0900c152801c13b0.jpg enlarge_icon.gifenlarge_tooltip.gif

    Fig. Using an open end wrench to push the quick disconnect coupler sleeves back-5-cylinder models
    Using an open end wrench to push the quick disconnect coupler sleeves back-5-cylinder models


On these models, the fuel filter is part of the fuel pump assembly. Refer to Fuel Pump removal and installation.

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2 Answers

Where is the fuel filter located


The fuel filter is located under the rear seat.
Fuel Filter Replacement:

  1. Reduce the internal pressure of the fuel lines and hoses by completing the following operations:
    • After removing the rear seat cushion, disconnect the fuel pump harness.
    • Start the engine. Allow it to stop by itself, then turn the ignition switch OFF .
    • Disconnect the battery negative (-) terminal.
    • Connect the fuel pump harness connector.

  2. Remove the eye bolts while holding the fuel filter nuts securely.
  3. CAUTION: Cover the fuel filter with a shop towel to avoid residual gasoline from splashing.
  4. Remove the fuel filter mounting bolts, then remove the fuel filter from the fuel filter clamp.
  5. After replacing the fuel filter, check for fuel leaks.

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May 22, 2011 | 2001 Hyundai Accent

1 Answer

Where is the fuel filter for 4.0 v6 cherokee located


  • Disconnect the negative battery cable and then remove the fuel tank cap to release fuel tank pressure. Remove the fuel pump relay from the PDC. Start the engine and allow it to run until it stops. Select any injector and unplug its connector.

  • 2

    Connect a jumper wire from an injector terminal to the positive battery terminal. Then, connect the other jumper wire to the other battery terminal. Briefly touch the end to the negative battery terminal.

  • 3

    Locate the fuel filter/pressure regulator near the front of the fuel tank, mounted to the body above the rear axle. Disconnect the fuel supply, fuel return and fuel pressure lines. Remove the mounting bolts and then the fuel filter/pressure regulator.

  • 4

    Attach the new fuel filter/pressure regulator to the body and tighten the bolts to 30 in-lbs. Reconnect the fuel supply, fuel return and fuel pressure lines. Reconnect the negative battery cable. Start the engine of your Jeep and check for leaks


  • good luck hope this helps

    Dec 04, 2010 | 2003 Jeep Grand Cherokee

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    How do i de-pressureize the fuel system on a 94 accord to replace the fuel filter


    Loosen the lines on the filter slowly.. Let the pressure bleed off that way.. Thanks

    Mar 15, 2009 | 1994 Honda Accord

    1 Answer

    Fuel filter


    "Under the vehicle drivers side on the frame rail under the driver side door. There is frame right underneath it but you can access it easily. Be sure to release the fuel pressure before changing the filter. The fuel pressure release valve is located in the engine compartment on top of the engine. It is on the left side of the air intake manifold. It is just a small cap over the valve. Be sure not to lose that cap!! When you change the filter, the filter line on each side of the fuel filter has a quick disconnect type fitting inside the line (similar in principle to a quick disconnect on a gas line or air compressor line). To free the filter from the line you must push in (toward the filter) with a simple tool you can purchase at most auto parts stores for just a few dollars.

    Additional Information The tool I was able to rent from NAPA. The guys there were very good to me. Look for about 45 min. of time to complete replacement.




    While first off your going to need to relieve the pressure in the system, and if you think your going to just pull the fuel pump relay and then run the engine until it stops to relieve pressure it aint gonna work. Get a bleeder gauge. Your also gonna need a quick disconnect tool. Ford models are usually 1/4" 3/8" or 15/16". Put it on the fuel pump right before the "duck bill" then try to push the line foward. If that doesn't work just try to push the tool into the duck bill then try to push the line foward."

    From WikiAnswers - Where is the fuel filter

    Mar 01, 2009 | 1996 Ford Explorer

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