Question about 1994 Chevrolet C/K 3500

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1994 chevy 3500 6.9 diesel you drive it acs like running out of fuel half to bleed lines to get air out to start back up

I have a 1994 chevy 3500 with a 6.9 diesel turbo idel fine you drive shuts down has air biuld up in lines and tank half to bleed fuel lines to get restarted

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Sounds like u got a clogged fuel filter, or you have got a fuel line somewhere that is sucking air in, could be anywhere from the pump back to the tank, if that shows no luck, get a piece of clear hose and put that just before the pump and look for bubbles, the slightest of bubbles will cause it do run rough and stall
failing this and there is no air bubbles i would say your injector pump needs rebuilding but this is rather unlikely unless u have got a fair few miles on it


hope this helps

Posted on Jan 18, 2013

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Posted on Jan 02, 2017

abauto
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SOURCE: 1994 Chevy 4 Dr. 2500 6.5 Diesel start and stall problem

1994 Chevy Truck K 2500 Suburban 4WD V8-393 6.5L DSL

Fuel Cut Solenoid: Testing and Inspection
An inoperative shutdown solenoid can cause a no-start condition. Disconnect solenoid harness connector and with ignition switch in the "ON"
position momentarily touch solenoid harness connector to solenoid connector. If a "click" sound is heard, the solenoid circuit is operating
properly. If "click" is not heard, the system should be diagnosed as follows:
1. With test lamp connected to ground and the ignition switch in the "ON" position, backprobe the shutdown harness connector. If the test lamp
does not light check for open circuit form the ignition switch to the solenoid.
2. If the test lamp lights, check the ground circuit between solenoid stud and injection pump cover to see if connectors are clean and tight. If the
connections are not clean and tight repair and retest.
3. If the ground circuit is "OK", remove the injection pump cover. Connect a jumper wire between solenoid ground connector and ground. With
the ignition switch in the "ON" position, momentarily touch shutdown solenoid harness connector to shutdown solenoid terminal. If solenoid
operates, check for internal injection pump problem.
4. If the solenoid will not operate, replace the shutdown solenoid.
_____________________________________
Fuel Cut Solenoid: Service and Repair
REMOVE OR DISCONNECT:
1. Remove pump cover.
2. Terminal contact nuts.
3. Solenoid.
INSTALL OR CONNECT:
1. Solenoid in the pump cover.
- On the shutdown solenoid, make sure that the linkage is free.
- On the cold advance solenoid, make sure that the plunger is centered so that it will contact the check ball in the fitting.
2. Insulating washers on the terminal studs.
3. Terminal nuts and tighten to 1 Nm (9 in lbs).
4. Pump cover.
5. Inspect solenoid operation prior to installing the pump cover. Use a 12 volt DC power source.

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Posted on Sep 10, 2009

  • 55 Answers

SOURCE: I have a 1994 Chev half ton with 6.5 turbo diesel,

need new glow plugs

Posted on Sep 27, 2009

  • 148 Answers

SOURCE: truck won't crank & run when hot

The PMD ( pump mounted driver) black box on the side of the injection pump is shutting down when it gets hot, Best to replace entire injection pump for warranty purposes> repair should be made by qualified diesel mechanic as the **** timing has to be set with scan tool after replacement

Posted on Jan 31, 2010

  • 1857 Answers

SOURCE: My 1997 Chevy 44 6.5 liter turbo diesel pickup stalling

Being a diesel there are just too many choices. Best bet is to go get any codes read that may be stored just to begin with

Posted on Feb 18, 2010

  • 6 Answers

SOURCE: 6.5 3500 turbo diesel is jerking on deceleration

its the fuel cut off valve locate on top of the fuel injector pump. shape like cylinder
to test it remove it from the pump.plug back wire turn the key on.but (don;t start) the black rubbber should pull back. if not it broke.Auto sale $278.00
Ebay $89.00

Posted on Nov 24, 2011

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1994 Chevy 3500hd 6.5 turbo diesel starts then stalls. I have to pump the gas pedal a lot before it starts again. Once started, it runs rough. Specially when I step on the pedal.


As there is no connection between the accelerator pedal and the fuel system then pumping the pedal will have no effect.. I would be checking and bleeding the fuel system from the filter to the pump and checking for a leak in the fuel supply system. Hard starting and running rough is an indication of air in the pump and in the lines to the injectors.

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I put gas in my 2005 3500 diesel truck (chevy) and a mile down the road the truck just shut off. So i pumped out all of the gas, then put treatment and diesel back into the truck. Tried to start the truck...


Did you change the fuel filter or bleed the injector lines? You need to get that gas out of the system if you haven't already. Once the filter is changed and filled with diesel I would loosen the injector lines and crank the engine until the gas is cleared out of the lines. Tighten the lines and see what happens.

Jul 26, 2011 | 2005 Chevrolet Silverado 3500

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No fuel up to injecter pump truck just stalled


Did you check for fuel pressure on the line from the tank while you had the filter off? Do you hear your fuel pump prime when you turn the ignition on? First I would listen for the hum of the fuel pump when you turn the key to the run position (not starting the engine) May have to get a helper and listen at the gas filler neck with the cap off. If you dont hear your fuel pump, check your fuses and relays. If the relay clicks when your helper turns the key on ( put your finger on the relay and ear down close to feel/hear the relay actuate)., and fuse is good, yet you do not hear the pump prime, I would say your fuel pump is shot.

If it is a diesel,check for fuel pressure coming off the direct drive pump hose while cranking the motor.

Mike

Jun 14, 2011 | 1994 Dodge Ram 3500

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Looking for name of part goes on 94 6.5 diesel bottom of fuel filter reservior connects with screw on ring has shaft that slides in middle of filtr and wires coming out bottom


94 chevy 3500 dually 6.5L turbo diesel - starts fine- then sometimes when hot, turns over but hard to restart, sometimes when driving and I accelerate it hesitates or misses as if not getting fuel I let off of pedal then re-accelerate and smooths out - any idea ?

Jan 17, 2010 | 1994 Chevrolet C/K 3500

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I have a 96 chevy c3500 6.7 turbo diesel runs fine on hwy but while driving in the city it tends to die most times will start right back up but some yimes it takes 5 or 10 min then t will start up then...


YOU COULD HAVE A RESTRICTED AIR FILTER OR FUEL LINE OR FILTER.YOU COULD HAVE DEFECTIVE FUEL SUPPLY PUMP OR DEFECTIVE INJECTION PUMP.YOUR IDLE SPEED TOO LOW OR FAST IDLE INOPERATIVE.

Sep 02, 2009 | 1996 Chevrolet C/K 3500

1 Answer

Its a chevy 1993 3500 diesel and every morning when started thick black smoke comes out the exhaust and it stalls after 10-15 seconds. after you restart no more problems unless it sits for an hour or two. ...


Sounds like a leaky injector or two.
It just takes one to bleed the fuel into a cylinder when sitting for a while.
Remove all of them and have them checked and cleaned at a good diesel injector shop.
You will save way more on fuel than it costs to have them cleaned.

Aug 27, 2009 | 1993 Chevrolet C/K 3500

1 Answer

I bought some diesel but got gas !


This is NOT good! You can try bleeding the fuel system first. More than likely, air is trapped in the fuel lines, injector, and injector lines. Bleed at the fuel pump, (On the fuel pump to injector pump side), then the injector pump, then each line.

(You have to loosen the fitting to each line to each part, then when the air is bled out, and fuel comes through steadily, close it)

I also suggest an attorney to resolve the problem, as there may be damage. Pistons could have holes in them. Do a compression check.

Usually diesel's have 16:1 ratio compression. Today's gasoline engines have anywhere from 8:1, to 8.5:1, to maybe 9.0:1, (Maybe)

I'm willing to bet though, that you just have air in the system, and it needs to be fully bled out.
There is NO half stepping on this!
You have to start at the source, loosen each fitting, bleed the air out, and continue on down the line.

Jun 02, 2009 | 2006 Ford F-250 Super Duty

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Engine dies


I had the same problem with my 94 chevy 6.5 diesel,and spent alot of money trying things that people told me to try.I wound up taking it to the dealer and they told me it was the injection pump.They put one in it and that fixed it.It has run great for over a year and a half.This set me back about $4000.00!

May 29, 2008 | 1993 Chevrolet C/K 3500

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