Quote:
Originally Posted by absentmathis
No smoke at all that I can tell. Are leaky injectors an issue on the gas V8s? Hadn’t previously heard that but they may be. No codes at first, got couple misfires on second scan but that seems like a side effect more than a cause due to the stumbling at start. I’m wondering about fuel pressure. And also the battery because I know how sensitive these things are, but just have a hard time believing the battery is the problem if it can crank the car easily for long enough that it starts.
Edit to add: the misfire codes were cleared after morning cold start and didn’t return all day.
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Battery.
The 'smart' battery management system is conserving battery current for the starter, but at the cost of starving other components (hence the misfires and stumbling).
It can surely be surprising, since in the good old days, there was one +12V wire, and if there was power to crnk there was power to start- but no so much these days.
Thats my vote!
