Car won't start: battery, or something else?
Two minutes of listening and looking usually narrows it down. Here's how to read the clues, what a jump start fixes, and when it's something a jump can't solve.
Sounds like the battery
- Rapid clicking when you turn the key or press start. The starter is trying, but there isn't enough power to spin it.
- Slow, laboring crank — the engine turns over sluggishly, like it's tired.
- Dim or dead dashboard, flickering lights, a radio that forgot its presets.
- It was fine yesterday, then failed on the first really cold morning. Cold slows the chemistry inside a battery at exactly the moment the engine needs more power, which is why weak batteries die on freezing mornings.
If this sounds like your car, a jump start will usually get it running.
Maybe not the battery
- One loud clunk each time you turn the key, with bright dash lights: often the starter.
- Cranks strong but never fires: the battery is doing its job; think fuel or ignition instead.
- The battery light was glowing while you drove yesterday: the alternator may have stopped charging. A jump might start the car, but it can die again while driving.
- Nothing happens and the dash is bright: try again with the wheel wiggled (steering lock) and the shifter firmly in Park or Neutral. On push-button cars, a dead key-fob battery can be the whole problem — check the manual for the backup start spot.
Quick checks before you call anyone
- Turn on the headlights. Bright and strong? The battery probably isn't the whole story. Dim or dead? Battery.
- Look at the battery terminals if you can see them. White or green crust, or a clamp that wiggles by hand, can cause a no-start all by itself.
- Make sure the car is in Park (or Neutral) and your foot is fully on the brake or clutch.
What a jump start fixes, and what it can't
A jump start solves a drained battery: lights left on, lots of short trips, a cold snap, a car that sat for weeks. We connect a jump pack, your engine runs again, and driving recharges the battery.
A jump can't fix a dead starter, an empty tank, a failed alternator or a worn-out battery that no longer holds charge. If your car dies again soon after a jump, especially in cold weather, have the battery tested at a parts store or shop — many test it free while you wait.
Stuck right now in North Jersey?
We come to you with a jump start for $40 plus tax, at home, at work or roadside, in our 162-ZIP-code service area. Send your location and we'll text you back, Mon–Sat 8am–10pm. On a highway? Read the highway safety guide first.
No-start questions.
Why do batteries die on cold mornings?
Cold slows the chemical reaction inside the battery, so it delivers less power exactly when the engine's cold, thick oil demands more. A battery at the edge of its life often works all fall and quits on the first hard freeze.
How long should I drive after a jump start?
Give it a good drive, not a five-minute hop, so the alternator can put real charge back in. If the car won't start again the next morning, the battery likely needs testing or replacing.
How much is a jump start?
$40 base rate, plus applicable NJ sales tax. Request it online and we'll text you your total.
Car still won't start?
Send your location and we'll text you back, or call (973) 767-4084.