Help! 95 classic won't start at below...

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Author Message   Dave Crall (Discoverover) Member Username: Discoverover Post Number: 99 Registered: 11-2002 Posted on Thursday, January 15, 2004 - 02:17 pm:    This happened a few years ago and the truck has started perfectly ever since. Overnight the temp. was below zero. The engine turns over strongly and sputters, but won't start. Is there a common fuel injection sensor problem when it gets this cold? It seems like it is not getting fuel. Could there be an other problem besides a frozen fuel line? Thanks   Randall Smith (Mr_smith) Member Username: Mr_smith Post Number: 164 Registered: 04-2003 Posted on Thursday, January 15, 2004 - 06:24 pm:    My guess would be that it is being overfueled. These EFI systems are programmed too rich on cold starts. If it is extremely cold then maybe it is flooded.   Dave Crall (Discoverover) Member Username: Discoverover Post Number: 100 Registered: 11-2002 Posted on Friday, January 16, 2004 - 02:12 pm:    Thanks, I'll check the plugs.   J E Robison Service Co (Robisonservice) Member Username: Robisonservice Post Number: 135 Registered: 10-2002 Posted on Wednesday, January 21, 2004 - 07:54 pm:    Measure the outside temperature and the resistance of the coolant and fuel temp sending units. Call me and we will look them up to see if they are right. That's the cause of over-fuelling as suggested above. You may also have a bad air meter, which is best checked by substitution. Finally, you may have a bad ECU. I have changed two 14CUX controllers this winter for the same symptom. Again, you check it by substitution.