Why does my car take so long to start after sitting?
Vehicles can take several seconds to turn over after sitting for a few hours, leaving drivers worried about reliability and whether the car is about to stop working entirely. This prolonged cranking creates constant stress about getting stranded despite the engine eventually starting.
What people tried
Every workaround mentioned in the threads below. We haven’t tested any of them — and nobody here is claiming they worked.
Found another way around this?
Share your steps and trade-offs so fellow engineers don't have to reinvent the wheel. No account required.
- 1cycling the key to run a couple times before startingDid this help you?
- 2Replacing the battery, spark plugs, or starterDid this help you?
In their words
Unedited, grouped by where they were said, most upvoted first within each place, each linked to the thread it came from.
“Recently, my Tahoe has been sounding like it’s about to stop turning on. It has an extremely long crank before it starts. Any ideas on what it could be?”source ↗
“when it sits for roughly 3-5 hours it takes several seconds to start up. It's never needed more than one crank to start, but its stressing me out.”source ↗
Where this came up
People with this problem also raised
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- 6Why is my car revving so high on a cold start?
- 2Engine RPM drops right after starting unless I give it gas
- 2Why does my car take so long to warm up and blow cold air?
- 74Why does my car make a loud rattle when starting the engine?
- 3Engine stalls or seizes while driving