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A bell 315sj in my workshop won't start. Tried bleeding the fuel system but when I crank no fuel is reaching the injectors. What cold be the problem?

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  • Cars & Trucks Master
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Pump seems suss

Posted on Apr 21, 2015

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SOURCE: cold start valve problem

if you have an electric cold start valve make sure to unplug it and if keeps apling fuel with electrical conector unpluged that means the valve is not good, but if not then you have an electronic problem, possible a bad cold start sensor or cold start module or cicuit problem, and might be a time to take it to an electrical shop

Posted on Jun 17, 2008

SOURCE: engine won't start.

parked my 2003 the garage want start now....lights nothing will come on tried chargin battery lights came on radio but died again several time do i need new battery or need aaa recharge battery

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csmock132
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SOURCE: dodge cummins won't start, fuel reaching injector pump but no fuel coming out of injector pump.

You said you have fuel flowing from the inlet line of the injection pump? But not at the injector lines?

Posted on May 05, 2009

  • 3 Answers

SOURCE: Hard starting Chev 2500HD 8.1 L

i have had the same problem.the solution is the fuel pump! i know you got pressure and it runs so how can it be the fuel pump? the pump is losing its prime you are getting pressure just no volume thats why its crank off crank off the system is priming itself again kinda like a weedeater or similar motor fuel is there just not enough of it to the injector To check this hook a pressure gauge turn on key turn off key release fuel should be plenty but if tis just a few drops thats it hope this helps

Posted on Jun 09, 2009

  • 2 Answers

SOURCE: 98 VW Beetle. Changed out the thermostat for an

I have a 1985 Jetta diesel. What I did since the car has no way of bleeding the air out of the system via bleeder screw I parked the car on a slight incline leaving the tank for the fluid at a higher level. I ran the car until the thermostat opened (The thermostat is on the bottom of my engine) I kept topping off the antifreeze. I also kept a jug of anti freeze and water in my car for the next few day. Whenever I got done driving the car and the car cooled off I would check it to see if I needed to top it off. I finally got the air out of it. You could call the vw dealer to see if there is a bleeder on the engine, if so open the bleeder and fill until antifreeze/water comes out, then close the bleeder and top it off to the full level. Just to be safe check the level after you drive the car. Air can still get trapped.

Posted on Sep 06, 2009

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2001 270cdi when cold it cranks but wont start. Takes several minutes to finally start. As if theres an air lock. Starts fine rest of the day.


This problem is sometimes caused by a leaky injector. The system bleeds down overnight and takes time to repressurize. You would have to pull up the fuel rail to check for leaky injectors.

Jun 17, 2017 | Cars & Trucks

1 Answer

How do you bleed a diesel pump jeep Cherokee turbo diesel 3.1 5 cylinder 2001


we dont have this engine here, USA.
but i have the WG jeep book,
starting page 12 , chapter 14


FUEL INJECTION PUMP BLEEDING
(1) If the fuel injection pump has been replaced,
air should be bled at the overflow valve before
attempting to start engine.
(a) Loosen the overflow valve (Fig. 18) at the
rear of the injection pump.
(b) Place a towel below the valve.
WARNING: WHEN CRANKING THE ENGINE TO
BLEED AIR FROM THE INJECTION PUMP, THE
ENGINE MAY START. PLACE THE TRANSMISSION
IN NEUTRAL OR PARK AND SET PARKING BRAKE
BEFORE ENGAGING THE STARTER MOTOR.
CAUTION: Do not engage the starter motor for
more than 30 seconds at a time. Allow 2 minutes
between cranking intervals.
(2) Crank the engine for 30 seconds at a time to
allow air trapped in the injection pump to vent out
the fuel injector drain tubes. Continue this procedure
until the engine starts. Observe the previous WARNING
and CAUTION.
(3) Tighten overflow valve.
HIGH-PRESSURE FUEL LINE BLEEDING
WARNING: THE INJECTION PUMP SUPPLIES HIGH-
-PRESSURE FUEL OF APPROXIMATELY 45,000 KPA
(6,526 PSI) TO EACH INDIVIDUAL INJECTOR
THROUGH THE HIGH-PRESSURE LINES. FUEL
UNDER THIS AMOUNT OF PRESSURE CAN PENETRATE
THE SKIN AND CAUSE PERSONAL INJURY.
WEAR SAFETY GOGGLES AND ADEQUATE PROTECTIVE
CLOTHING AND AVOID CONTACT WITH
FUEL SPRAY WHEN BLEEDING HIGH-PRESSURE
FUEL LINES.
WARNING: DO NOT BLEED AIR FROM THE FUEL
SYSTEM OF A HOT ENGINE. DO NOT ALLOW FUEL
TO SPRAY ONTO THE EXHAUST MANIFOLD WHEN
BLEEDING AIR FROM THE FUEL SYSTEM.
Bleed air from one injector at time.
(1) Loosen the high-pressure fuel line fitting at
the injector (Fig. 19).
(2) Crank the engine until all air has been bled
from the line. Do not operate the starter motor
for longer than 30 seconds. Wait 2 minutes
between cranking intervals.
(3) Start the engine and bleed one injector at a
time until the engine runs smoothly.

end quote.
pump timing is on next page
or tank filter line priming before. above.

Mar 22, 2016 | Jeep Cars & Trucks

2 Answers

1995 freightliner. Will crank but won't start. How do I fix it?


Kevin:
First, check your fuel to make sure there's no water in it. Next, find the fuel system bleed port located near the fuel injector. loosen the bleed port bolt and have someone crank the engine. When fuel flows out of the bleed port in a steady stream (no bubbles) close the bleed port and start the engine. If it will not start, loosen one of the injectors and crank the engine to see if the fuel injector has fuel and if it is pumping fuel. You may have to loosen each of the injectors one at a time to get fuel to all of the injectors.

Jun 16, 2015 | Cars & Trucks

2 Answers

90 7.3 ford diesil cranks but wont start start


check for air in the system . Bleed out at all bleed screws . crack the injector lines at the injectors and continue cranking until diesel drips from the nut. tighten and continue cranking. Check for fast crank speed and glo-plug operation

Jan 11, 2014 | Cars & Trucks

1 Answer

I have an 03 vw beetle diesel turns over strong but won't start. Tried shooting it with ether. Still won't fire. Every thing else working fine please help me to know where to start


bleed any air from the fuel system from the filter to the pump . If you have pipes to the injectors loosen off the pipe nut at each injector and crank until drops of fuel appear at each nut. If there is air in these lines you will not get enough pressure for the injector to work but as soon as you get drops of fuel re-tension the nuts If you have an electric solenoid shut down (stop) make sure there is power at the unit to activate it as it will be in the stop position until it gets power from the ignition circuit.. Do not use ether as this is a good way of blowing the head off the motor or causing serious internal damage.

Jul 17, 2013 | Cars & Trucks

1 Answer

Caterpillar troubleshooting


First thing to try with any diesel that won't start is to do a diesel system bleed. This one should be before the HP fuel rail type so start by bleeding the lift pump, then the fuel filters, then the main injector pump to lines to the injectors and lastly the injectors. Good luck.

Jun 07, 2017 | Ford Cars & Trucks

1 Answer

My 2002 chev. diesel truck turns over but wont start, new filter


anytime you change the filter in a diesel you have to bleed the air out of the fuel system. The pump won't auto bleed the fuel system for you. every place in the fuel system that has a flare type connection needs to be bleed, start at the connection closest to the tank, loosen the connection and then crank the engine until you see diesel fuel drips from that connection. Tighten the connection while the engine is still cranking. Move to the next connection that is going toward the engine. Continue on in that manner toward the engine until you reach the injector pump/injector. Once you reach the injector pump be VERY aware that the fuel is at VERY high pressure. Do NOT put your body parts in the stream of high pressure diesel fuel. It could kill or injure you! Once you bleed all the way to the injector pump/ injector, the truck SHOULD start. Do not bleed after the injector pump because of the pressure involved, it is WAY too dangerous.

Good luck!

Dec 22, 2012 | 2002 Chevrolet Avalanche

1 Answer

I am a technician, the car is coming in my workshop in starting condition,in this touareg i change only the diesel filter & after that we going to start,engine crank but not start.I done the...


Open the fuel line slightly where it goes into the injector pump and bleed it there, then tighten it. Open the nuts that secure the injector lines to the injectors slightly- very little- and crank it and watch for bubbles at these fittings. Sometimes holding the throttle pedal to the floor will help. You want to get the fittings loose enough to let air under pressure out, but not let outside air in.

When the bubbles have cleared out at the injectors and you start seeing solid spurts of fuel, tighten them and the motor should start easily.

lp

Jan 10, 2011 | Volkswagen Touareg Cars & Trucks

1 Answer

I ran out of fuel, bled system, car will, still, not start. WHY


Even if you open the fuel gallery at the injectors and let the air out until fuel comes out, there will still be some air at each injector. Every time you try to crank the engine to bleed out air, the fuel pump will only fire for a few seconds, because it has a cut out based on the alternator input. One way to get the fuel pump to run longer it so short the circuit at the fuel pump. But I can't remember the exact pins. So instead I will suggest you try starting fluid to get the car running. Hopefully that will open the injectors long enough to finish the job. If not, then the solution would be to supply current to the cold start injector through a push button. By removing the cold start injector from the manifold, you will be able to see when it finally starts squirting gasoline. The reason bleeding is so hard, is because the normal injectors have a spring release valve that won't open until the pressure is high enough, and air in the system makes it too spongy for that pressure to be reached. The cold start injector is the only one electric, that does not have this minimum pressure requirement.

Jan 18, 2010 | 2002 Volkswagen Eurovan

2 Answers

1985 Ford 250 Diesel Truck, Won't Start


just crack the injector nut crank it over till fuel comes out tighten nut,and so on to the others.

Jan 15, 2009 | 1985 Ford F 250

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