cold start issue - Ford Powerstroke Diesel Forum
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Old 12-28-2010, 04:25 PM
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cold start issue

idk if its just me or what but i am a first time powerstroke owner and i just bought a 95 with 241k on it.......when cold i turn the key on, wait for the light to go out, crank the truck over, it cranks a few more times than when warm before it fires up, it blows a pretty large cloud of bluish blackish whitish smoke for about 3 seconds while the motor tries to straigten up to a good idle......while all this it just smells like complete raw fuel enough it just wants to make you pass out........but after about 20-30 seconds it stops smoking totally and doesnt smell completely like raw fuel......but once warm it does none of this

is this typical of these trucks or is there an issue.....

btw the truck is completely stock.....but not for long
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Old 12-28-2010, 08:33 PM
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Your glow plugs might not be up to snuff.. The smoke you are seeing is normal on a cold engine. The fuel smell is because the cylinders are not hot enough to ignite the compressed fuel so it just gets ejected out the exhaust.

Most, if not all, trucks will produce some white smoke on first start.

Try checking your glowplug relay. it is on the top of the engine. The two large lugs are what you need to check. One should be 12v (or battery voltage), the other should be dead with the key off. When you turn the key on and the wait to start light comes on, the other lug should read the same as the first large lug. That lets you know the glow plug relay is working. You could just need to replace the glow plugs.. If it gets hard to start with lots of cycling of the key and your gpr is working, your plugs are shot.

The way your truck starts sounds pretty normal though...
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Old 12-29-2010, 02:16 AM
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my gpr is new.........the po replaced it 2 weeks before i got it because it went bad........it may just need some plugs.......im gonna try cycling the key this morning to see if that helps and....thanks
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