Vehicle make/model = 2000 pontiac montana
Mileage = 150,000
Engine size = 3.4
dash lights = no
work done prior = none
work done to repair = none
tech = jk
question = i have a montana that wont start when its cold or damp or
when it sits for 8 hours or more but if i plug the van in with block
heater it will start when it does start it run a little on the rough side
until the engine warms up ,just wondering if it could be the temperature
sensor let me know what you think thankyou
JK:
Hard starting when wet or damp outside is usually caused by corroded
ignition coil towers and spark plug wires. Just pull them off one at a time
and look for corrosion or rust on the coil tower and inside the plug wire.
Plugged injectors are a common cause for running rough. Also the fuel
pressure regulator leaking fuel into the vacuum line will cause a hard / no
start and running rough, but damp weather would not make a difference.
Mileage = 150,000
Engine size = 3.4
dash lights = no
work done prior = none
work done to repair = none
tech = jk
question = i have a montana that wont start when its cold or damp or
when it sits for 8 hours or more but if i plug the van in with block
heater it will start when it does start it run a little on the rough side
until the engine warms up ,just wondering if it could be the temperature
sensor let me know what you think thankyou
JK:
Hard starting when wet or damp outside is usually caused by corroded
ignition coil towers and spark plug wires. Just pull them off one at a time
and look for corrosion or rust on the coil tower and inside the plug wire.
Plugged injectors are a common cause for running rough. Also the fuel
pressure regulator leaking fuel into the vacuum line will cause a hard / no
start and running rough, but damp weather would not make a difference.
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