Starting problems

Starting problems on a used car · what to check

A car that has been on charge before you arrive starts perfectly. Insist on the cold start and you will learn more than any advert tells you.

Quick answer

Starting problems appears as a documented fault on 9 models in our library, across 9 separate faults. The most common areas involved are Electrical, Engine.

What it usually means

  • Slow crank · battery, starter or heavy oil.
  • Long crank on a diesel · glow plugs, fuel pressure or injector seals.
  • Repeated flat batteries · parasitic drain from a module that will not sleep.
  • Starts, runs a second, dies · immobiliser or fuel supply.

How to check it on the forecourt

  1. 01Arrange to see the car unstarted and untouched that day.
  2. 02Watch how it cranks, and listen for a rattle in the first two seconds.
  3. 03Ask when the battery was replaced and look for a date sticker.
  4. 04Lock the car, wait ten minutes, then unlock and start it again.

Checking a specific car? Generate a free fault checklist for its exact make, model and year.