Question about 2000 Ford F350 Super Duty Super Cab
It runs and starts just fine when it warms up outside
Being you don't say what eng you got, but with your problem I got to think it's got to be a 6.9. You've got a cold start problem. Either the 'Glow Plug' controller is bad or the glow plugs themselves are bad. Either way you need to take to someone who knows wnat they are doing. Don't mean the 'Ford' Dealership. They normally cost too much. Used to work for one. Just someone that you know that deals with desail engines.
Posted on Jan 23, 2009
HI' have you check your fuel pressure ,sounds like bad fuel pump check valve .do this simple test before you start your engine next time is cold take the time to cycle the ignition on about 7 times before you crank it to start engine. live about 6 second intervals when you are cycling key from on to of what you are doing is pre charging your fuel rail whit fuel because check valve in pump is losing the fuel pressure when the car seat. let me know if this help you.
Posted on Sep 25, 2009
SOURCE: wont start when cold
A good chance that this is caused by moisture invading the ignition cables which, if original, are really due for replacement.
Try to find a very dark area and check under the hood at night with the engine running.
Allow your eyes to become accustomed to the dark and look for any sign of arcing (sparking) under the hood around the cables.
If you do, the problem is likely only the cables.
If the originals were not silicone insulated, by a replacement set at any auto parts store. As long as they aren't mechanically damaged, they'll outlast the rest of the car and they are not that much more expensive.
If you don't deem them defective, your coil (coil pack) may be failing or it may also have been attacked by moisture.
If you have an original distributor cap (and possibly rotor) I would recommend replacing these too. Hey, 18 years ain't shabby!
Posted on Feb 26, 2010
There is a possibility that your temperature sending unit for the computer is not working correctly. ( not the sending unit for the gage, there are two). If the computer never knows that the engine warms up, it will keep "choking" and over fueling. Thus, the black spark plugs.
Posted on Apr 30, 2010
Common problem with these is a fuel drainback. Use a fuel pump pressure tester, start the engine, If it's multi-port fuel injection the psi should be 50psi+. If 50psi, turn off engine and notice psi drop. If fuel pressure drops off to 10 or 5 psi, try to start engine and watch for a jump in fuel pump pressure. If pressure jumps to 50psi and the engine won't start, then I would suspect a good working fuel pump, if not a jump to 50 psi, I would say bad fuel pump. Good luck, Gary
Posted on Jul 27, 2010
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Posted on Jan 02, 2017
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