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Trying to find out why no fuel coimming out of injector lines

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Pump rack stuck in the stop position

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HAVE A KABOTA B7500 DIESEL TRACTOR, PUT NEWE FUEL FILTER ON, NEW MECHANICAL FUEL TRANSFER PUMP, GET FUEL TO INJECTOR PUMP BUT NOTHING AT INJECTOR LINES WHEN TRYING TO BLEED SYSTEM, HAS A ZEXEL PUMP


you will need the engine turned on to the run position to deactivate the stop system in the pump
injector lines are bled at the injectors
loosen the nut off and crank the engine over until the diesel drops are seen

Sep 21, 2017 | Cars & Trucks

1 Answer

I have a F350 diesel non- tubo with a fuel leak in back at top. replaced o ring at back injector and replaced all hose clamps but still bad runing leak. What next?


This engine has fuel lines that run to each injector from the injector pump. On the older Fords they touch each other in places. This constant vibration from the engine has caused a pin hole in one of your fuel lines to the injector. You will need to find the bad line. Can be hard as some of these are buried and hard to see. The replacement line will need to be purchased from Ford as each fuel line has to be a certain length and they are all high pressure lines. I have seen this many times in the older Fords.

Apr 05, 2012 | Cars & Trucks

1 Answer

Can anybody tell me how to change fuel injectors on 1989 audi 200 quattro?


first relief fuel pressure before disconnecting fuel lines remove fuel pump fuse or relay start engine let it idle until stall out lack fuel fuel now fuel pressure is reliefed. you have to remove top upper air cleaner housing, you have to remove whole entire air cleaning system because the fuel lines with fuel injectors is under the air cleaner filament you have to remove entire fuel line with fuel injector in order to replace fuel injector.

Nov 21, 2011 | Audi Cars & Trucks

1 Answer

99 Dodge ram 2500 with cummins diesel stalled and won't restart. Changed fuel filter, and determined that there is fuel going to injector pump.


loosen one fuel line to one of the injectors, try to start the truck and look for the fuel to spray out of the line. it should spray rather hard if the injector pump is working right. if it just dribbles or trickles out you have a weak pump.

Jul 30, 2011 | 2000 Dodge Ram 3500

1 Answer

Can you remove the injectors on 2003 Jeep Grand Cherokee diesell whithout removing the engine not a lot of space to get the back injector out ???????


YEP REMOVE TOP ENGINE COVER AND DISCONNECT INJECTORS ELECTRICAL CONNECTOR,REMOVE FUEL RETURN LINE FROM INJECTOR, REMOVE FUEL INJECTOR HIGH PRESSURE LINE, REMOVE FUEL INJECTOR RETAINER AND RETAINING BOLT,THEN REMOVE FUEL INJECTOR FROM THE CYLINDER HEAD. YOU NEED A FUEL INJECTOR EXTRACTOR TOOL 9075A ON TO INJECTOR AND CYLINDER HEAD.YOU DONT HAVE TO REMOVE THE ENGINE.

Jun 29, 2011 | 2003 Jeep Grand Cherokee

1 Answer

99 Astro van. This engine has a supply and return line from the injectors. Is it possible to flush the system by plugging the return line and running a can of injector flush through the system myself...


You may further cause problems. I would recommend disconnecting the fuel line at the injectors, and disconnecting the fuel line before the gas tank, making sure there isn't a fuel filter along the way. If there is, then disconnect the fuel line at the filter. Use a compressor and blow air from the injector side, down to the filter end. Make sure you try and keep as much moisture out of the line as possible. You can do this with each segment of fuel line to flush out any particles that may have clogged your lines. Your filter may be your main problem. Try changing that first!

Feb 13, 2011 | 1999 Chevrolet Astro

1 Answer

Changed fuel lines on 1992 f 250 7.3 liter idi was old slow leak . now all m,y injectors are leaking right above big nut on the injectors looks as if its coming up from bottom of injectors ... real crazy...


sounds like you're gettting alot of fuel pressure now for sure,you may have to pull those injectors and replace the 'o' rings around them,they may have been bad all along and not enough fuel pressure to make them leak.when you replaced those fuel lines did you pull on the injector rack at all? if you did, the solution is simple,push the fuel rack back down to reseat those injector 'o' rings. that should solve it. otherwise your stuck pulling that fuel rack anyway so i would try pushing that rack down either way. it may seal the injectors back up. hope this helps and thank you for choosing fixya.com oncallmech

Jan 10, 2011 | 1992 Ford F250

1 Answer

How do you install injectors in a chevy s-10 pick-up?


Removal & Installation

8205896.gif
Exploded view of the fuel rail and injector mounting


Take care when servicing the fuel rail assembly to prevent dirt or contaminants from entering the fuel system. ALL openings in the fuel lines and passages should be capped or plugged while disconnected.
  1. Before disassembly, clean the fuel rail assembly with a spray type cleaner such as AC Delco® X-30A, or equivalent. After removal, DO NOT immerse the fuel rail in liquid solvent.
  2. Properly relieve the fuel system pressure and disconnect the negative battery cable.
  3. Remove the air intake duct, as necessary for access.
  4. Tag and disengage the fuel injector electrical connectors.
  5. Disengage the fuel pressure regulator vacuum line, then tag and disengage all other necessary vacuum hoses.
  6. Loosen and remove the fuel rail retaining bolts.
  7. If necessary to remove the fuel rail assembly completely from the engine compartment, or to prevent stressing and damaging the fuel lines, disconnect the fuel lines from the rail assembly.
  8. Carefully lift the fuel rail assembly and fuel injectors from the intake.
  9. Carefully release and separate the fuel injectors from the rail assembly.
  10. Remove and discard ALL old O-rings from the fuel injectors and, if disconnected, the fuel lines.
To install:
  1. Lightly coat the new O-rings with clean engine oil, then position them to the injectors and, if applicable, fuel fittings.
  2. Install the injectors to the fuel rail assembly.
  3. Carefully install the fuel rail and injectors to the intake manifold. Make sure the injectors are properly seated in their bores, but DO NOT force them into position.
  4. Install and tighten the rail retaining bolts to 62 inch lbs. (7 Nm).
  5. If removed, connect the fuel lines to the rail assembly and secure the fittings.
  6. Engage the fuel pressure regulator and any other vacuum lines, as noted during removal.
  7. Engage the injector electrical connectors.
  8. Connect the negative battery cable and cycle the ignition switch (without attempting to start the engine) in order to pressurize the fuel system, then check for leaks.
  9. Install the air intake duct.

Apr 25, 2010 | 1992 Chevrolet S-10

1 Answer

No fuel pressure in injectors


If the fuel preessure reg. is on the fuel rail after the injectors before the return line and is clogged fuel pressure will be higher than specs.but will be in the fuel rail.If reg. is before the injectors(as in at the beginning of the fuel rail) and it is clogged then there probably wont be any fuel in the line. I beleive the injectors may be the point of concern.Check the injector fuses first.

Sep 22, 2009 | 1992 Dodge Caravan

1 Answer

89 new yorker sporaticly looses power (gas petal spongy and non-responsive)....especially when it gets warm to hot. Replaced fuel filter, pump, MAP sensor. Please Help!! (Fuel Injected- no carb)


Try a fuel line/injector cleaner you may have a blockage in the injectors causing uneven fuel delivery. I would also recommend new fuel lines or check current lines for leaks/blockages

Jul 16, 2009 | 1993 Chrysler New Yorker

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