Signs of a bad used car engine

Posted on May 20, 2026 by Grant

Engine problems can cost thousands. Here are warning signs:

This Nissan Patrol has a serious engine noise and this is why we will warn our customer not to buy this vehicle

Watch For:

  1. Knocking or ticking noises
  2. Excessive smoke (blue/white/black)
  3. Oil leaks
  4. Rough idle
  5. Overheating
  6. Poor acceleration
  7. Engine warning lights

Many of these issues aren’t obvious unless you know what to look for.

👉 We at Perth mobile vehicle inspections find these problems before you buy.

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