The short answer
What the car does when you turn the key is the diagnosis: total silence points to the battery or connections; a single loud click, the starter; rapid clicking, a weak battery; cranking that won’t catch, fuel or spark. In Capital Region winters, the battery is the odds-on favorite — cold cuts its power roughly in half.
Likely causes, ranked
- 01
Dead or weak battery
most commonThe cause behind most no-starts, especially the first single-digit morning of the year. Rapid clicking or dim dash lights are its signature. Batteries over 3 years old fail this test first.
- 02
Corroded terminals or ground connections
commonSalt-and-brine corrosion chokes current between a healthy battery and the starter — looks exactly like a dead battery, costs almost nothing to fix. Always checked before condemning parts.
- 03
Failed starter
commonOne solid click with bright dash lights and nothing else — the solenoid engaging, the motor refusing. Sometimes announces itself for weeks with slow, labored cranking first.
- 04
Fuel or spark failure
less commonCranks strong but never fires: fuel pump, crank sensor, or ignition fault. A different branch of diagnosis entirely — which is why "what does it do?" is our first phone question.
What to do right now
- 1
Try the basics: headlights bright? Gear selector fully in Park? Steering lock binding the key? Aftermarket remote-start acting up?
- 2
If a jump start works, don’t just drive on — the question is *why* it was flat. Come get the free system test the same day.
- 3
Truly stranded? Call (518) 348-7764 — tell us what it does when you turn the key and we’ll tell you whether to try something or have it towed to 642 Saratoga Rd. No-starts are usually diagnosed same-day, and a fleet unit dead in the yard at 7:30 gets the first open bay.
What it typically costs
Batteries $95–$360 installed at Fogg’s; terminal service far less; starters and alternators $250–$850. The full electrical-system test that pinpoints which one is free — nobody should buy two parts to fix one fault.
Our diagnosis fee goes toward the repair.
Related questions
Why does my car struggle to start only on cold mornings?
At 0°F a battery delivers about half its rated cranking amps while cold, thick oil makes the engine harder to spin — marginal batteries fail exactly here.
If it groans on cold mornings, get the free test now; it’s telling you which week it plans to quit.
It started fine after a jump. Do I still need to come in?
Yes — a jump treats the symptom. Either the battery is failing, something drained it (a light, a module that won’t sleep), or the alternator isn’t recharging it. The free test takes minutes and beats a repeat performance in a worse parking lot.
What actually fixes it
If it turns out to need real work, this is what usually does it — with pricing published up front, so there are no surprises.
- Batteries & Electricalfrom $95
- Starters & Alternatorsfrom $250
- Diagnosticsfrom $89
- Fleet Priority Repairfrom $89
Same symptom on a work van or truck? Fleet units get priority bays and one monthly invoice. Fleet repair →
Still not sure how serious it is?
This guide describes common patterns, not a diagnosis of your specific vehicle — that takes an inspection. If your symptom is marked urgent, treat it as urgent. When in doubt, stop driving and call (518) 348-7764.
