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Re: died while driving an won't restart
Sounds like the timing chain let go on you. You have fuel, you have fire, nothing really left, but to, get them to meet at the right time. Take the distributor cap off, turn the engine over, and if the rotor don't move, then you will know the chain went. It is possible that the chain could've jumped a tooth or two also, but I'm almost possitive that it broke. I sincerely hope that I could help. Good luck and best wishes.
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Spark at plugs? Fuel filter? Pressure on injector delivery line? Pressure relief valve? You may be able to measure fuel pressure at the pressure relief valve location. and return line. If you have spark, I'd say it's a fuel supply problem
I had a Denali that did the same thing. I put a fuel pressure gauge on the fuel line test port up at the engine. Turned on the ignition and got a low fuel pump pressure reading. Replaced the pump and pressure went back up to about 62psi. If the relief valve is bad it will probably do the same thing. I've never heard of a relief going bad though. Good luck.
try start with starter fluid if starts than need to check fuel filter and pump again turn key and have u or someone listen at tank for hum of pump if hum turn off and open cap to release pressure check fuel filter and or replace if needed turn on pump and check pressure at straider valve on fuel rail by fire wall drivers side if pressure vehicle should start / if no hum at pump check connections to pump and test pump new doesnt mean free from defects repair or replace as necessary
FIRST OF ALL RELIEVE THE FUEL SYSTEM PRESSURE.RAISE AND SAFELY SUPPORT THE VECHICLE ON JACK STANDS.USING A BACKUP WRENCH REMOVE THE FUEL LINE FITTINGS FROM THE FUEL FILTER.FOR THE LINE DISCONNECT SIDE OF FUEL FILTER. SQUEEZE BOTH TAB IN. SO YOU CAN REMOVE FUEL LINE FROM FUEL FILTER.REMOVE THE FUEL FILTER MOUNTING SCREWS AND REMOVE THE FILTER FROM THE VECHICLE.REPLACE THE O RING WITH A NEW ONE LUBRICATE O RING WITH A LITTLE ENGINE OIL.TIGHTEN FUEL LINE TO FILTER CONNECTORS 22 FT LBS. THE 2.3L ENGINE RELIEF FUEL PRESSURE LOOSEN FILLER CAP.REMOVE FUEL PUMP FUSE LET ENGINE IDLE UNTIL IT DIES FROM LACK OF FUEL.THE 3.3L ENGINE RELIEF FUEL PRESSURE BY INSTALLING FUEL PRESSURE GAUGE TO THE FUEL PRESSURE TEST PORT WHICH IS THE SCHRAEDER VALVE WITH CAP.ITS ON THE FUEL PRESSURE REGULATOR ASSEMBLY.USE A SHOP TOWEL AROUND CONNECTION TO CATCH FUEL SPRAY.YOU CAN USE A SMALL TINY SCREW DRIVER AT PORT ALSO BUT COVER IT WITH TOWEL TO CATCH FUEL SPRAY.WARNING GO TO DEALERSHIP TO BUY O- RING THAT GOES ON THE FUEL LINE TO FUEL FILTER.IT LOOKS TAN.TAKE THE OLD O-RING TO GET THE CORRECT SIZE O- RING TO FUEL LINE TO FILTER.DONT USE ANY KIND O - RING GASOLINE WILL DISSOLVE IT YOU WILL HAVE A MASSIVE GAS LEAK.WHEN YOU FINISH PUTTING NEW FUEL FILTER IN PLACE ALL FUEL LINES CONNECTED.MAKE SURE WHEN YOU INSTALL NEW FUEL FILTER YOU HEAR OR FEEL THE DISCONNECT SNAP IN PLACE ON THE FUEL FILTER.PULL IT A LITTLE MAKE SURE ITS IN PLACE.WHEN ALL FINISH AND DONE.TURN IGNITION SWITCH ON POSITION ENGINE OFF 3 SECONDS CHECK FOR LEAKS.IF YOU GET LEAK FUEL LINE O - RING LEAKING BECAUSE TOO BIG TOO LOOSE OVER TIGHTEN DAMAGE O - RING.
that truck has a fuel pressure of 43 lbs there is a fuel pressure valve need the fuel regular if you press the valve while trying to start the truck you should get fuel if not check the fuel filter to see if it is blocked
put in a new filter if it is... if not replace the pump
It sounds like the fuel strainer is clogged or one of the filters is clogged. start by taking the fuel primer pump and attempt to prime system if the pump handle sucks back down when you attempt to pump there is a clog in the system. There is a lot of water in diesel fuel and they build up algea over a number of years and generally the fuel strainer(part at fuel tank that the feed line attatches too) clog up. you can remove them and clean them. Good luck
It sounds from your description that the fuel pump is weak. To check the fuel pressure you need a fuel pressure test gauge for fuel injection. Attach the gauge to the test port schrader valve and turn the ignition to the on position. Record the reading. Now start the engine and record that reading. Unplug the pressure regulator vacuum line and record the reading.
The pump should have pressure with in specs but if low, start with the installation of a new complete pump. It is located in the fuel tank. Also replace your fuel filter.
Hope this helps you.
Have you chg.fuel filter and had a fuel pressure test done? Does it have spark after it stalls? Fuel pumps are a common problem, they work when cold get warmed up they quit, after a while quit all together. Do the fuel pressure test.
Control pressure regulator bad or main line pressure relief valve stuck in fuel distributor.. Remove valve install new o-ring and purge bore with carb cleaner (don't get carb cleaner on new oring). If you have checked these things and it still starts hard hot....replace the accumalator back next to the fuel pump.
its the electrical connection at he fuel pump,if this is ok ask if they replaced the strainer on your fuel pump,your fuel pump is inside your gas tank ,you have to drop the tank to service,most fuel pumps are not warrantied if you dont change the strainer,when your car shuts off the sediment on the strainer falls back into the tank,but when you run your car and it sucks up the gas thru the strainer to the pump it clogs the strainer and the fuel pump cant pump,you shoiuld find out if they changed this because your forcing your fuel pump to work harder,was it a new fuel tank or used one that they put in