Blazer won’t start when weather is below 40
#12
Don that was my first thought too but performance wise battery’s do worse in heat than cold, quick load test would tell tale. Still in end just feels like a poor connection ground or power ( I lean ground) that acts up as the temp changes thus the metal expands and contracts. Bet humidity might play into it too. Seeing he says no spark I cancelled the thought of the security system cutting it off due to that shuts off fuel, not spark. That list of parts mentioned covers nearly everything related to getting spark and status unchanged, any other thoughts?
My sons Jeep Cherokee acted in a similar fashion but was a obvious fix, darn pos connect at battery was so loose I could pull it off with 1 finger. TIghtened and fixed. All I can think of currently is a loose connection for a main ground or power feed or a sticking/bad relay. Any other thoughts?
My sons Jeep Cherokee acted in a similar fashion but was a obvious fix, darn pos connect at battery was so loose I could pull it off with 1 finger. TIghtened and fixed. All I can think of currently is a loose connection for a main ground or power feed or a sticking/bad relay. Any other thoughts?
#14
I can suggest going here https://blazerforum.com/forum/tech-a...e-first-30093/
then this particular thread- https://blazerforum.com/forum/tech-a...anks-ok-45942/
All I can think of is to just run the list and see if you can isolate the issue. Being temp related (intermittent) makes it the worst kind of problem. And that ground is pretty obvious, just follow the heavy neg batter line running down passenger side of engine block but if other two okay cant see that one being the problem.
*moderator- this really needs to be moved to proper forum head*
then this particular thread- https://blazerforum.com/forum/tech-a...anks-ok-45942/
All I can think of is to just run the list and see if you can isolate the issue. Being temp related (intermittent) makes it the worst kind of problem. And that ground is pretty obvious, just follow the heavy neg batter line running down passenger side of engine block but if other two okay cant see that one being the problem.
*moderator- this really needs to be moved to proper forum head*
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