help with cold start problem...
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Road Master
Joined: Oct 2009
Posts: 809
Likes: 0
From: south bend in,
they could not find anything wrong with the start they check battery and all the charging system * it always started for them they replace the LED which is on a common bar so they had to replace all the little LED's oil pressure high beam it cetera so I guess the next time it doesn't start if they're open I'll tell me to come and get it right now in the trailer...
Some said crank position sensor ..but my plugs were wet same time I got no fire at plugs checked with timing lite ...
Can the injectors fire if crank pos sensor not working????
Some said crank position sensor ..but my plugs were wet same time I got no fire at plugs checked with timing lite ...
Can the injectors fire if crank pos sensor not working????
Grand HDF Member
Joined: Dec 2007
Posts: 4,999
Likes: 55
From: Bay Area
If it were the CPK or injector there would be codes. Im going guesstimate that sitting in the freezing cold is the culprit. It cant get proper cylinder temp to fire when its that cold, the cold is killer on a battery, even though it load tests out (in warm temps) the cranking speed maybe too low to get it to fire, its possible your electrical connections have a fair amount of moisture causing some degree of voltage drop. The reason I say this is the dealer left it in a warm shop and everything worked fine.
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Road Master
Joined: Oct 2009
Posts: 809
Likes: 0
From: south bend in,
The motor turned over fine ..for about 4 days it too k longer to fire ..
Turned over fine ..I asked him to leave it outside overnite he said no cause insc,,
Started this am ..hard to judge but about 3 or 4 revolutions it fired ..it was about 23 deg..
Turned over fine ..I asked him to leave it outside overnite he said no cause insc,,
Started this am ..hard to judge but about 3 or 4 revolutions it fired ..it was about 23 deg..
Road Master
Joined: May 2007
Posts: 767
Likes: 54
From: San Antonio, TX
On the one or two cold (29-30) mornings we got this year I'd put my shop light under the bike (which is covered) for warmth.. no problems starting as it kept the temp under the cover in the 40's. Give it a try. If problem goes away, its just too damn cold..
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Road Master
Joined: Oct 2009
Posts: 809
Likes: 0
From: south bend in,
normally I have a Dobeck TFI on ...there,,that's the first thing I took off just in case there was a problem ..with it ..no change
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Thread Starter
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Road Master
Joined: Oct 2009
Posts: 809
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From: south bend in,
it's been starting each morning ,,I put a timing lite on it so if it cranks and dont start ill see if there is spark or not ..to narrow it down some..I have a hunch crank pos, sensor..30 deg or below ..does somthing ..to it..
