What is CID 997 & How to Solve It?

Understand CID 997, its causes, and follow our simple steps to fix it and get your equipment back to optimal performance.

Construction fleet management softwareConstruction fleet management software

Table of Content

What is CID 997:

cid 997 identifies a malfunction in the turbo oil supply pressure sensor circuit. this fault can lead to turbo wear or failure if ignored.

Why This Happens:

  • faulty oil pressure sensor.
  • restricted turbo oil supply line.
  • low oil pressure in the engine.
  • contaminated oil.
  • damaged wiring harness.

How to Fix It:

  1. check oil level and condition.
  2. inspect turbo oil feed line for clogs or leaks.
  3. test oil pressure sensor voltage and continuity.
  4. replace sensor or repair line if pressure is low.
  5. verify turbo lubrication after repair.

How to Avoid It Before It Happens:

  • maintain oil changes using approved grades.
  • inspect turbo oil lines every service interval.
  • monitor oil pressure in real time.
  • clue’s equipment maintenance services monitor lubrication systems to extend turbocharger lifespan.

Fault Codes You’ll Often Find

REQUEST NOW!
Get Your Complete
Fault Code Ebook
Ready to get started?

Join thousands of satisfied customers using Clue

Questions?