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Hi I hav a 1998 108d vito it seems to hav excces fuel goin to injectors makin it lose power and smoke alot hav took return pipe of number 1 injector the 1 that goes bak to filter and its pumping alot of diesel into injector rather than takin the excess fuel out is this the problem cheers

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  • Cars & Trucks Master
  • 4,536 Answers

Fuel injection pump has problems--a small amount of 2 stroke oil can clean engine--go to magicmechanic online-hes an expert-mail him-hes in the states

Posted on Dec 31, 2013

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6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

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SOURCE: Rough idle and generally running terrible!

if idling rough sound like air in system.and your injection pump timing is off.

Posted on May 23, 2009

  • 257 Answers

SOURCE: 2000 TDI - Lots of white smoke at cold start.

Sounds like your injection pump timing is off, an injector is leaking or a bad seal on your IP.
VW dealers have a horrible reputation when it comes to TDI's. Check out the posts over at www.tdiclub.com Those guys are very knowledgeable - and the first thing they'll tell you is don't take it to a dealer.
You can probably find someone in your area that has a copy of Vag-Com (scantool software that vw uses) software that could look at your timing. It definitely sounds like your dealer was throwing parts at your car because they didn't know what your problem is. If I were you, I'd copy and paste your post from here over at www.tdiclub.com

Posted on Jul 21, 2009

  • 3 Answers

SOURCE: 4M40 engine lacking power and blowing black smoke.

http://www.delicaclub.com/load.php?id=20

Install the egr mod, will stop it smoking in no time
Delica owner...

Posted on Dec 21, 2009

  • 3 Answers

SOURCE: 98 mitzi l200 2.8 l eng 4M40

White smoke is a sign of unburnt diesel fuel, check your glowplugs as thats the most common cause when starting .It will start but not hot enough to burn fuel at start up, also check glowplug relay if not the plugs
Delica Owner 4m40

Posted on Dec 21, 2009

  • 37 Answers

SOURCE: number one injector bank on 2006 dodge cummins

you'll notice on your valve cover gasket there is two connectors.. the one up front is your 1-3 the one in the rear is your 4-6... you can remove your valve cover and check the connections from the injector connectors to the
connectors on the valve cover.. check for an open.. however you could also have a fault internally in 1 of your injectors in that bank as well.. hope this info helped..

Posted on Feb 03, 2010

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My chrysler dodge caravan consume alot of fuel and brings out black smoke from exust pipe


petrol --choke setting incorrect id carby
check injector seals and faulty injectors
diesel replace injector tips , check turbo operation--intercooler for leaks --- have the injector pump checked
a closer answer is not possible because you neglected to say what engine you have , efi , controlled or carby year of manufacture

Jul 20, 2016 | Dodge Caravan Cars & Trucks

2 Answers

Remove sv21 injectors


Hi there:
This Australia made TOYOTA CAMRY SV21 was produced in 1989, similar at 3S-FE Engine...


  1. Disconnect the negative battery cable.
  2. Disconnect the harness from the cold start injector.
  3. Place a towel or rag under the cold start injector pipe and remove the two union bolts, four gaskets and delivery pipe.

Loosen the union pipe bolts slowly.

  1. Disconnect the vacuum sensing hose from the fuel pressure regulator.
  2. Disconnect the fuel return pipe hose.
  3. Remove the pulsation damper with the two gaskets. Discard the gaskets and purchase new ones.
  4. Unbolt and remove the delivery pipe with the injectors attached.

When removing the delivery pipe, take care not to drop it as damage to the injectors may result.

  1. Remove the four insulators and two spacers from the cylinder head.
  2. Gently pull the injectors from the delivery pipe.
  3. Remove the O-rings and grommets from the injectors and purchase new ones.

To install:
  1. Install a new grommet and new O-ring onto each injector. Make sure that they are installed evenly, to ensure a good seat and save yourself from having to take the injectors out and readjust or replace the O-rings.
  1. Lightly coat the O-rings with clean fuel.
  2. Install the injectors into the delivery pipe. Do not **** the injector, install it straight into the opening using a light left to right twisting motion.
  3. Place the four insulators and two spacers on the cylinder head.
  4. Install the injectors together with the delivery pipe onto the cylinder head.
  5. Go to each injector and rotate it by hand. The injector should rotate smoothly.

If the injectors don't rotate smoothly, the O-rings are probably not installed correctly or the injectors are not installed evenly. If this is the case, you will have the pull the delivery pipe off the intake manifold and look at the O-rings to make sure that they are installed correctly. Adjust the O-rings and, if damaged, replace them.

  1. After the delivery pipe and injectors are properly in place, go to each injector and position the connector so that it is facing upward.
  2. Install the two delivery pipe retaining bolts and tighten them to 9 ft. lbs. (12 Nm).
  3. Install the pulsation damper with two new gaskets on both sides of the fuel hose "banjo'' fitting. Tighten the damper.
  4. Connect the fuel return hose.
  5. Attach the injector connectors.
  6. Connect the vacuum sensing hose.
  7. Using new gaskets, connect the cold start injector pipe to the delivery pipe and cold start injector. Tighten the two union bolts to 13 ft. lbs. (17 Nm).
  8. Attach the cold start injector wiring connector.
  9. Connect the negative battery cable.
  10. Short the +B and Fp terminals of the engine check connector with a jumper wire.
  11. While the connector is shorted, pinch the fuel return hose. When the pinched, this causes the pressure in the high pressure fuel line to rise to 57 psi. ( kPa) At this time any leaks in any part of the system should be apparent. Carefully look at each component for leakage and run the tip of your finger around each connection.





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Jun 24, 2012 | 1987 Toyota Camry

1 Answer

Vito loses power when driving


Could be a clogged fuel line. Add fuel injector solution as well.

Apr 23, 2012 | Mercedes-Benz Vito Cars & Trucks

1 Answer

Cylinder number one stops firing, and black smoke comes out of the exhaust. I replaced the coil pack and spark plugs. when i unplug battery and reset the faults, it drives fine for a couple days. what...


honestly it sounds like you have a bad computer. there is a constant 12 volts going to each fuel injector and the computer momentarily grounds each fuel injector to activate, the black smoke is from too much gasoline and the missfire is probably from the injector either hanging open or being held open electricaly. next time it starts to missfire on number 1 cylinder try taking a stethiscope or long screw driver and put it on #1 fuel injector with the engine running and see if you hear a clicking sound. If not try unplugging the #1 Fuel injector. this won't fix the missfire but you can see if the black smoke clears up. if the smoke doesn't clear up with the injector unplugged and you are sure its # 1 cylinder thats missing, replace #1 fuel injector.

Jul 10, 2010 | 2002 Jeep Grand Cherokee

1 Answer

How do i chage the fuel injector for a geo metro 1997 LSI?


REMOVAL & INSTALLATION Fig. 1: Removing injectors from fuel rail 84245032.gif
Fig. 2: Make sure injectors rotate freely in cylinder head 84245033.gif
  1. Relieve fuel system pressure and disconnect the negative battery cable.
  2. Remove intake air hose between throttle body and intercooler.
  3. Remove accelerator cable.
  4. Unclamp PCV and fuel return hoses from deliver pipe.
  5. Unclamp injector wiring harness.
  6. Disconnect injector coupler.
  7. Remove cold start injector pipe from delivery pipe.
  8. Remove vacuum hose from pressure regulator.
  9. Remove fuel feed hose from delivery pipe.
  10. Remove pressure regulator from delivery pipe.
  11. Remove delivery pipe with injectors.
  12. Remove injectors from delivery pipe. To install:
  13. Replace injector O-rings and lubricate with fuel. NOTE: Make sure injectors rotate smoothly. If not, probable cause is incorrect installation of O-ring.
  14. Check if insulator is scored or damaged. If it is, replace with new one.
  15. Connect delivery pipe with injectors.
  16. Install pressure regulator to delivery pipe using a new O-ring.
  17. Install fuel feed hose to delivery pipe.
  18. Install vacuum and fuel return hoses to pressure regulator and clamp securely.
  19. Install cold start injector pipe to delivery pipe using new gaskets.
  20. Install injector coupler. Clamp injector wiring harness.
  21. Install PCV hose to cylinder head.
  22. Install throttle position sensor coupler.
  23. Install accelerator cable and adjust free-play.
  24. Install intake air hose to throttle body and intercooler.
  25. Connect the negative battery cable.
  26. Start engine and check for leaks.
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Jul 03, 2010 | 1997 Geo Metro

1 Answer

Detroit diesel injector installation


thoroughly clean area around injectors,and then blow with compressed air so no bits will fall in the holes when injectors removed.loosen main injector pipe nut,remove return fuel line,dont lose copper washers,put special fuel bolts back in top of injector firm[by hand] undo holding down bolts evenly,undo fully injector pipe nut,.gently pry injector loose,and remove,making sure sealing washer at bottom also comes out..while I dont specifically know this particular engine,this guide applies to most diesel motors.I have rebuilt a 6v72 detroit motor,yrs ago.Assembly is reversal.may need to crank over to bleed diesel at injector,always use new sealing washers.

Jul 01, 2010 | 1990 Mercedes-Benz 300 Diesel

2 Answers

White smoke


these engines are pron to injector failure !!! white smoke means dumping fuel ! black smoke means lack of air ! blue means burning oil! its not an easy task! by all means not cheap! ull need 7 injectors and one #8 injector call a ford dealer to see the price ! but i would also call an international aka navistar dealer! there sometimes cheaper

Mar 18, 2010 | 2000 Ford F250 Super Duty Crew Cabs

3 Answers

1991 GMC Sierra loses fuel pressure after it reaches the TBI


think u could hav a computer problem-go n get car code scanned OBD style-do u hav a repair manual-chec wiring also-fuel pump could be failin

Sep 01, 2009 | 1993 GMC Sierra

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