Question about 2005 Citroen C5 2.0

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No fuel to injectors,electrical earth problem,where do i look

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  • Justin Moore Apr 18, 2015

    Hi stephanus lundt, I want to help you with your question, but I need more information from you. Can you please add details in the comment box?petrol or diesel ? are all battery clamps tight? main 40 am fuse intact?

  • stephanus lundt
    stephanus lundt Apr 18, 2015




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2006 mercury montego 3.0 no fuel to front 3 cylinders engine runs on back 3 cylinders

As there is a common fuel pump that feeds both banks, I assume there is fuel pressure to the injectors. If there is spark but no fuel, it means injectors are not pulsing. For all three on one bank to be faulty, I would look for damaged wiring or a bad earth. All three would have a common earth so that is where I would start.

Try putting a test light across the two wires on an injector- while it is cranking or running, it should pulse. Try on a good injector to see what the result should be. If you try on one of the dead cylinders and there is nothing, then you either have no earth or no pulse. Test continuity with a multimeter to earth and try earthing you r test light and checking for pulse- this should give you and idea as to where you need to start looking.

Was this after a repair or did the fault just occur?

May 15, 2014 | Cars & Trucks

1 Answer

Engine runs rough after a few miles

Easy way to check plugs wires while driving, get 4 or 6 small neon lamps depending on how many cylinders,the neon lamps used in appliances to show they are on are good NOT LEDs.
Remove resistors from neon and connect one side of neon lamps together and earth to body, take other side of each lamp and solder long single telephonr wire and wind about 10 turns around each plug wire insulation a little way from plug leave end of this wire disconnected. make sure the end of wire does not earth anywhere on body leave unconnected. the high voltage going through plug wire will induce enough voltage to fire neon and show plug works if one neon does not flicker as plug fires it the bad one.
This will only show electrical misfire not injector problem.
The best time to do this test is at night neons will flicker bright at night. As a mechanic how to check injector and injector voltage.

Jun 28, 2017 | 1994 Isuzu Rodeo

1 Answer

How do you remove the fuel injector on a ford 6.0 liter diesel engine?

V8 6.0L DSl Turbo VNP 1. Remove the valve cover 2 disconnect the fuel injector electrical connector 3 remove the bolts and the high-pressure oil rail 4 Caution, Do not attempt to apply battery voltage to the injector or damage to the fuel injector will occur. using a 19mm (.074 in) socket, push the fuel injector electrical connector out of the rocker arm carrier. 5 Note - there is no need to drain the fuel rail - if the engine coolant is found in the chambers,it may be necessary to install a new injector sleeve. Remove the bolt, fuel injector hold-down clamp and fuel injector.

May 04, 2010 | 2004 Ford F350

2 Answers

After removing the fuel injectors and rail to remove the manifold, how do you reinstall the fuel injectors?

the same way you took it apart. put a little grease around the rubber seals so they will slide in easier. just tap on the fuel rail while lightly tapping it into place.

Mar 28, 2010 | 2002 Honda Passport

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Has all power and still wont start it has a spark it is a 2.5 4 cylinder 1996 the spark is wite i checked the timming could it be the crank positioner

Check the timing belt they are known to loose teeth and slip when old I've seen them be in perfect timing on the wrong cylinder! 80k /belt

Jan 14, 2010 | Jeep Wrangler Cars & Trucks

1 Answer

1995 Toyota Camry fuel pump, Engine turns over but doesn't start

Wel to start with ,,remove the fuel feed pipe tp carby or injector rail to find if you have fuel pressure there,, if ok then go to your coil check for feed to pos side and then check No 1 plug (but must be pluged in and good earth on engine) if ok then the problem must be in the timing or still in fuel system,

Sep 11, 2009 | 1995 Toyota Camry

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Car will not start - Daewoo Nubira

my daewoo nubira sedan year 2000 model will not start foe some reason i try to hit the button on my immobilizer to switch it off but it does nothing and that red light near the dash keeps flashing anyone no how to solve this problem?

Jul 06, 2009 | 2002 Daewoo Lanos

2 Answers

I have fuel and a spark in my xj sport but the injectors are not switching on the earth side how can i fix this

check the injectors nozzle also check its resistance by using a multimeter also check the coming voltage for the injector which is 12 volt.

Jun 08, 2009 | 1995 Jaguar XJ6

1 Answer

How to replace the fuel injectors on a 2002 Tahoe?

To Install:
  1. Lubricate the NEW fuel injector O-rings with clean engine oil.
  2. Install the O-rings on the fuel injector.
  3. Install a NEW retainer clip on the fuel injector.
  4. Install the fuel injector in the injector socket with the electrical connector facing outward. The retainer clip locks onto a flange at the fuel rail injector socket.
  5. Install the fuel rail.
NOTE: Use care in removing the fuel injectors in order to prevent damage to the electrical connector pins on the injector and to prevent damage to the nozzle. Service the fuel injector as a complete assembly only. The fuel injector is an electrical component. DO NOT immerse the fuel injector in any type of cleaner.

Mar 29, 2009 | 2002 Chevrolet Tahoe

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