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Car won't start when cold, runs fine otherwise

1341 Views 8 Replies 4 Participants Last post by  B00STED
I haven't seen the problem, but this is what I'm told:

In the mornings the car does not want to start when cold. It will catch a spark or two, but then dies. This will happen for 15-30 tries, and is "just like my 79 chevy, like it has a carb" All of a sudden it starts normally,and starts normally when it's warm.

The thing is that once it fires up, it runs fine. If it wasn't for this cold startup issue there wouldn't be any problems. No hesitations or misfires, and pulls strong. The fuel filter was replaced, and there was a performance increase, but still the same issue at startup.

Ever heard of this happening? Any ideas what it could be? The car is a 95 with a 6 bolt swap. It ran fine for a few weeks and this seesm out of nowhere.
1 - 9 of 9 Posts
When is the last time you replaced your battery man? Sounds dumb but something that simple can cause those problems. I just went through that with mine.
Dustin
It was replaced about a month ago. It cranks fine, lots of power, but it just doesn't want to start.

Dustin16 said:
When is the last time you replaced your battery man? Sounds dumb but something that simple can cause those problems. I just went through that with mine.
Dustin
Someone else mentioned that, but it only happens when it's completely cold, like after sitting overnight. Once it starts it's fine, and it goes from not wanting to go to starting right up. I'll mention it though.

Dustin16 said:
Coolant temp sensor then maybe?
yeah I am currently having the same problem wiht my 97 gst that has a 6 bolt swap I tried everything changing the altonator, battery, starter, fuel filters and evertthing of that nature. wtf is the problem?
Dustin16 said:
Coolant temp sensor then maybe?

Turns out this was unplugged. The car would fire 3-5 times. After a minute of cranking/dying, cranking/dying, cranking/dying it started, but during that time I noticed the fans were coming on. We discovered the plug after it started, but we'll know for sure tomorrow...definitely makes sense.
Hope fixing your probelm is as easy as plugging the sensor back up man.
Dustin
try the Ecu , mine is having the same problem
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