As to the fuel tanks, there are not different size connections and "cross drops" do sometimes happen. Although when they do, they try to pump and clean the tank.
I have a 2002 f250 super duty with a 7.3 turbo diesel. When it has been sitting for more than a couple of days, I have to key on engine off approximately 15 times and let it run through a full relay sequence, about 45 seconds, before I turn the engine over and let it start. If I don't go through all of the sequence that many times, it will fire a little bit with some white smoke, but will not run. I replaced the glow plugs and valve cover gaskets that have the wiring that goes through them last year. I believe I changed the glow plug and intake air heater relays as well as the heater in the bowl. Any ideas what may be causing this hard start issue? This happens even in summer weather. Thanks and I love the show.
@@darrelllisec2826 does the glow plug relay click on and stay on with voltage reaching the glow plugs for a number of seconds or does it just click on and back off right away? That is the first place to start. It. Like be that the cotrol unit has failed. Look up a MotorCraft DX-876-1x that is what we are taking about. It will take a little diagnosis time to find the cause. Thanks for watching and commenting here.
@@UnderTheHoodShow I checked the glow plug relay and it consistently actuates for 55 seconds. The glow plug light only stays on for about 12 seconds, so one of the things I need to be aware of is waiting about a minute before cranking. I am not sure that is the whole problem but definitely contributes to it. Is there a chance that the lift pump is weak or releases pressure over time? Is there a way to test it and is there anything else that should be tested? I appreciate you guys. Thanks
@@darrelllisec2826 It could be fuel. If the fuel is bleeding back into the tank and not keeping the filter housing full it will be a hard start. We use a clear fuel line to check for air in the fuel and bleed back.
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I'm a fuel hauler & we still stick the tanks to check for water.
@@calvinkrg Tuanks for watching and leaving us a comment. Throw the stick!
As to the fuel tanks, there are not different size connections and "cross drops" do sometimes happen. Although when they do, they try to pump and clean the tank.
Thanks for watching
I have a 2002 f250 super duty with a 7.3 turbo diesel. When it has been sitting for more than a couple of days, I have to key on engine off approximately 15 times and let it run through a full relay sequence, about 45 seconds, before I turn the engine over and let it start. If I don't go through all of the sequence that many times, it will fire a little bit with some white smoke, but will not run. I replaced the glow plugs and valve cover gaskets that have the wiring that goes through them last year. I believe I changed the glow plug and intake air heater relays as well as the heater in the bowl. Any ideas what may be causing this hard start issue? This happens even in summer weather. Thanks and I love the show.
@@darrelllisec2826 does the glow plug relay click on and stay on with voltage reaching the glow plugs for a number of seconds or does it just click on and back off right away? That is the first place to start. It. Like be that the cotrol unit has failed. Look up a MotorCraft DX-876-1x that is what we are taking about. It will take a little diagnosis time to find the cause.
Thanks for watching and commenting here.
@@UnderTheHoodShow I checked the glow plug relay and it consistently actuates for 55 seconds. The glow plug light only stays on for about 12 seconds, so one of the things I need to be aware of is waiting about a minute before cranking. I am not sure that is the whole problem but definitely contributes to it. Is there a chance that the lift pump is weak or releases pressure over time? Is there a way to test it and is there anything else that should be tested? I appreciate you guys. Thanks
@@darrelllisec2826 It could be fuel. If the fuel is bleeding back into the tank and not keeping the filter housing full it will be a hard start. We use a clear fuel line to check for air in the fuel and bleed back.
@@UnderTheHoodShow Not to be a pain, but what components do you install the clear fuel line between? Thanks
@@darrelllisec2826on Tue I let side of the filter. Low pressure side with a hose that is rated for the pressure.