Tech Help needed strange starting issues

cowpuncher · #1 (**permalink**) 10-21-2009, 05:19 PM

I have checked out all the ussual stuff but when the temp drops down to freezing or below unless i put a space heater in the cab it will not fire the injectors so it wont start I really need help on what in the cab it could be its not throwing any codes eighther. Its a late 99 cclb f350 spins fine just no smoke hits on ether but its not fueling. I'm a mechanic gouing in for back surgery monday and could really use some help if anybody has seen this before or has electrical ideas sorry so long but trying to get all info out there.

jamstoyz · #2 (**permalink**) 10-21-2009, 05:23 PM

have you checked your glow plugs? i would probably start with a buzz test.

cowpuncher · #3 (**permalink**) 10-21-2009, 05:27 PM

glow plugs are fine, plugged it in and starts easy as long as i heat the cab up no cab heat no start I fell on to that one putting dieelectric grease on all connections trying to keep warm.

jamstoyz · #4 (**permalink**) 10-21-2009, 05:31 PM

what do you mean by putting heat in the cab?

cowpuncher · #5 (**permalink**) 10-21-2009, 05:34 PM

I put a ceramic space heater that u use to heat a room in the house in there and after it warms up boom the truck starts

jamstoyz · #6 (**permalink**) 10-21-2009, 05:36 PM

that sounds really weird lol. have no clue why a space heater in the cab would fix your problem.

for the techs lol

**BRS** · #7 (**permalink**) 10-21-2009, 05:46 PM

How hot are you cooking this thing? Is there any way possible you're radiating enough heat out of that big 4-door cab to keep fuel lines from gelling underneath it?

cowpuncher · #8 (**permalink**) 10-21-2009, 05:52 PM

nope not that hot around 45 maybe 50 degrees is all it heats up to in the cab and running conditioner in the fuel on top of it.

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