cold start problems
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Junior User
Joined: Dec 2013
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cold start problems
So I have '93 ford f-250. It actually has a 6.9 with a C6 that was swapped into it. I am having some issues with cold starts. If its been sitting for a 3-5 hours or the block heater has been plugged in I get a rough running pickup with white smoke until I give her quite a bit of throttle. If its been sitting more than 8-9 hours and its cold out(its always cold out right now) I get a start an then it runs rough and stalls. Then it takes quite a bit of cranking to get it started. Im testing the glow plugs this weekend, but would like to get some input, cant hurt right?
Almost forgot, the new 6.9 is an '83
Almost forgot, the new 6.9 is an '83
Elder User
Joined: Mar 2013
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Someone correct me if I'm wrong, but fuel issue? Air intrusion?
If your block heater works and it runs like crap after being plugged in glow plugs aren't going to help (not saying they're good, but you can roll them out if the heater is good)
Long cranking could be air in the lines that you're working out and it will start/run ok then
If your block heater works and it runs like crap after being plugged in glow plugs aren't going to help (not saying they're good, but you can roll them out if the heater is good)
Long cranking could be air in the lines that you're working out and it will start/run ok then
New User
Joined: Feb 2014
Posts: 16
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From: Denver, CO
Below 30*F usually it takes good working glow plugs and a working block heater to get a decent start.
If the glow plugs and block heater work and you are getting rough starts, then air intrusion and proper fuel flow are the next things to attack.
If the glow plugs and block heater work and you are getting rough starts, then air intrusion and proper fuel flow are the next things to attack.
Fleet Owner
Joined: Jul 2006
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From: Mi'kma'ki
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