when outside air temp is 10-15 degrees car won't start. on 2002 Nissan Sentra

cranks fine. sputters like old car with bad choke or loading up..start fluid does not help. when temp warms to 25-30 degrees or more car pops right off..runs fine ???

by in Skokie, IL on December 30, 2013
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1 answer 3 comments
ANSWER by , December 30, 2013
Have the temp "sensor" checked with a scanner, engine needs to be cold! Or the next time this happens, unplug the sensor and try it.
COMMENT by , December 31, 2013
thanks as every bit of info is appreciated..I did just replace coolant temp sensor..no help. there is also an ambient sensor ahead of air filter..??? nissan suggests to hold throttle 1/3 down when starting cold..I'll let you know.
COMMENT by , December 31, 2013
Well just move further south! Still need to know the readings on the sensor, should be ambient cold.
COMMENT by , January 01, 2014
ok! I have 7.8 ohms at 5 degrees ambient about 2.5 at 65 degrees..now that I hold about 1/3 throttle as I crank she starts, goes right to high idle..seems wrong to have to do this to a F I vehicle??