MEDIUM RISK
Common symptoms
- See page for quick checks
Cost expectations
Typical costs vary by car and region. Use this as a ballpark.
- DIY / parts: £20–£80
- Garage / labour: £80–£250
Most likely causes (ranked)
Start at the top. Rule out the common, cheap causes before expensive ones.
- Weak battery
- Bad starter solenoid
- Poor ground/terminal
- Immobiliser issues
- Clutch/neutral switch
Quick checks (fast, low-cost)
Fast checks you can do with basic tools before buying parts.
- Check battery voltage and terminals tightness.
- Try jump start if safe.
- Listen for single click vs rapid clicks.
- Check for immobiliser light behaviour.
- Tap starter lightly (temporary test only).
Recommended tools
These tools make diagnosis faster and stop you buying random parts.
Related fixes
If your symptoms don’t match perfectly, check these next.
What to do next
- If jump starts solve it, battery/charging likely.
- If terminals/grounds corroded, clean/replace.