On Feb 12, 11:08=A0am, "Tiger" <tiger0...@[EMAIL PROTECTED]
> wrote:
> I would say it is your battery that is weak to begin with. I have
started =
my
> diesel 609 in teens without any problem or any heater hooked up. I never
> used my engine heater.
>
> If you have an engine heater, I suggest you use it... takes about an
hour =
or
> so if it is outside.
>
> That dinky booster battery pack is powerful... I have one myself and
that
> started my diesel when my battery is dead. Yes, I changed my battery
> afterward.
If I expected to be starting at those temps, I'd definitely want a
relatively new battery, not an average one. Also, when were the
valves last adjusted? The colder the temps, the more critical
everything becomes. MB recommends a different valve clearance for use
in areas where very cold starts will occur. If you have so-so
battery, valves off, old injectors that are less than optimal, aged
engine with less compression, etc, it all adds up to make it harder to
start.
I've started mine quite easily in the high single digits, but that was
years ago when the engine had a lot less miles. on it. More recently,
I've occasionally started it at times in the teens. When starting at
low temps, I apply partial throttle, which helps.


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