Engine will turn over but will not start?
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Joined: Apr 2006
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Engine will turn over but will not start?
I'm having trouble with my excursion starting. This has only happened on four different occasions, but has stranded me each time. The truck will usually start after ten minutes of trying to start it. I have had the truck in the shop each time and they can find no problem with anything. This is driving me crazy and I'm ready to sell the truck. Any help would be much appreciated. Thanks
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Joined: Oct 2007
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From: Virginia
maybe a glow plug problem? how long are you glowplugs staying on? how many seconds does the glow plug light take to go out?
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Usually after the truck has run for 20 minutes or so the glow plug light will stay on for about 6-10 seconds. When I was out east last summer the light would take a second to turn off. I thought this might be because of the humidity vs. colorado's dry climate.
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Post Fiend
Joined: Mar 2007
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From: Texas
Originally Posted by ajeffrey
Usually after the truck has run for 20 minutes or so the glow plug light will stay on for about 6-10 seconds. When I was out east last summer the light would take a second to turn off. I thought this might be because of the humidity vs. colorado's dry climate.
A shop that can't figure it out either means they know nothing about diesels, or more commonly there are no codes in the computer and they can't duplicate the problem. That's why I suggested the cables. They don't always leave a code and it's easy to forget to check the other ends.
Good luck.
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Joined: Jul 2006
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Cranks but doesn't start, and the problem is intermittent.....
First guess is Cam Position Sensor or CPS wiring... no signal = no fuel injection
Second guess is HPOP system, but "intermittent problem" doesn't really fit well
Third guess is Glow Plug relay.... but that usually either works or it doesn't.
Weak batteries or corroded posts would be WAY down my list.
First guess is Cam Position Sensor or CPS wiring... no signal = no fuel injection
Second guess is HPOP system, but "intermittent problem" doesn't really fit well
Third guess is Glow Plug relay.... but that usually either works or it doesn't.
Weak batteries or corroded posts would be WAY down my list.
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Changed every 15K on the money, I beleive I just changed them 5K ago. The cam sensor was changed the first time the problem arose and it seemed to work for maybe 5k miles, but still have the same problem.
Senior User
Joined: Aug 2007
Posts: 469
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From: lake park, MN
first off, what year is your truck? Is the truck cold like your just trying to start it the first time in the morning when you have the problem,. Or is it after youve been driving it for a while and the truck is fully warm? If you have an 05 or newer and this is happening after youve been driving the truck and its warm, its the hpop fitting. take it in and get the new updated fitting.