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Cold Firing Test Bench

Cold Firing Test Bench TH

Cold Firing Test Bench

Home | Services | Engine Testing System | Cold Firing Test Bench


An advanced solution for comprehensive engine performance analysis. This state-of-the-art tool offers a cost-effective and flexible alternative to traditional hot firing tests. By analyzing engine waveforms without combustion, the Cold Firing Test Bench compares them with patterns of a perfect engine, enabling the identification and rejection of abnormal or faulty engines.

Designed for all fuel engines, our Cold Firing Test Bench provides accurate and reliable testing of the engine starting process, ensuring optimal performance. It simulates a wide range of starting conditions to diagnose potential issues, including fuel delivery problems, ignition system malfunctions, and critical performance parameters. Its customizable and modular design allows it to accommodate various engine types and sizes, while advanced data acquisition and analysis capabilities simplify the interpretation of critical performance data.

This fully automated test bench is built to last and requires minimal maintenance, delivering long-lasting performance and reliable results. It is an ideal solution for automotive manufacturers, engine manufacturers, and research institutions seeking to optimize engine performance and achieve maximum reliability. With exceptional accuracy, reliability, and user-friendly operation, the Cold Firing Test Bench is your dependable tool for engine performance testing.

Tests Performed

  • Mechanical function tests, like Intake & exhaust pressure, Oil pressure and temperature
  • Electrical tests like Ignition test, wiring harness check, ECU
  • Oil system tests
  • Fuel system tests like fuel rail leakage tests
  • Noise tests like Irregular vibration & noise
  • Injection system tests like Leak test, Power estimation
  • EGR Valve test


  • Improved Defect Detection: Defects become visible at low engine speeds (100 rpm) instead of the typical 800 rpm used in hot testing. This allows for better identification of issues that may be hidden by ECU control during normal engine running.
  • Audible Defects: The absence of combustion noise in the cold test allows for the direct detection of abnormal sounds, making it easier to pinpoint affected cylinders or engine components. This saves time in fault analysis and repair.
  • Detection of Cold-Test-Specific Defects: Cold testing enables the identification of certain defects that can only be detected in this specific testing method. These include oil system failures, smaller compression differences, and smaller timing differences.
  • Shorter Cycle Times: With shorter test durations, fewer test stands are needed, streamlining the overall testing operations.
  • Elimination of Utility Systems: additional utility systems such as plant coolant systems or exhaust gas systems are not required, which simplifies the testing setup and reduces resource requirements.
  • Easier Repair for NG Engines: The absence of combustion or contamination in cold testing makes the repair engines easier. It eliminates the need for additional precautions related to combustion-related hazards.

By leveraging these advantages, the Cold Firing Test Bench enhances defect detection capabilities, reduces cycle times, and improves overall testing efficiency for engine manufacturers and research institutions.

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