Quote:
Originally Posted by soothappens
Check your battery. Mine will allow almost 1 - 2 minutes of cranking before needing a jump 850cca. I also have 15/40. Most parts stores will check it for free.
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At what ambient air temperatures are you getting 1-2 minutes of cranking out of the battery? The OP stated his was in the single digits. If he left it in the car overnight he will get much less than 1-2 minutes cranking time, especially if he glows longer. In cold weather (cold to me is below 15F) I probably get 2 maybe 3 shots at starting it for maybe a total of 30 seconds of total time. If I glow multiple times it may only be one shot before the battery is drained too much to turn the starter fast enough.
To the OP-
Lighter weight oil will help the engine spin faster and thus start easier in these colder temps.
Also, how long do you glow for? The FSM states to run a full glow cycle to aid in cold starting. The light goes off but the relay stays on for a bit over 30 seconds, then try starting it. Some people even do double glows by turning the key back off and then glowing again after the relay clicks off one time.
At 9F you should be able to easily start a healthy engine. I have cold started mine in -5F. I think the lighter weight oil really helps.