Automotive Petrol Engine Compression Tester Test Kit - Amtech J2905

This automotive compression tester kit is suitable for petrol engines, including cars, motorcycles...

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Product Information

Full details

This guide provides essential information for users of the Amtech J2905 Automotive Petrol Engine Compression Tester Test Kit. Designed for petrol engines in various vehicles, this kit helps diagnose engine compression issues, a critical aspect of engine health. While easy to use, accuracy depends on proper setup and technique.

All features

Model Part NumberJ2905
BrandAmtech

Extended Product Information

FAQs

What engines is this kit compatible with?

The Amtech J2905 is compatible with petrol engines found in cars, motorcycles, scooters, and lawn mowers.

What units of measurement does the gauge display?

The gauge displays pressure readings in both kg/cm² and psi.

What should I do if the gauge reads zero?

Ensure the adapter is properly sealed, and the engine is cranking. If the issue persists, the gauge may be faulty.

How do I clean the compression tester?

Wipe the gauge and adapters with a clean cloth after use. Do not use solvents.

Where is the product delivered?

Delivery is available to the UK, including Northern Ireland, the Channel Islands, Scottish Islands, Scottish Highlands, and all off-shore UK Islands.

What if the adapters don't fit my engine?

Check the spark plug thread size of your engine. If none of the provided adapters match, this kit might not be compatible. Consider purchasing adapters with different thread sizes.

Can I use this kit on a diesel engine?

No, this kit is designed specifically for petrol engines and is not suitable for diesel engines.

Troubleshooting

Gauge doesn't register pressure.

Ensure the adapter is securely connected and that there are no leaks. Check the gauge itself for damage.

Readings are consistently low.

Make sure the throttle is fully open during testing. Verify that the spark plug hole adapter is properly sealing.

Adapters do not fit.

Check the thread size of the spark plug holes and ensure you are using the correct adapter from the kit. If none of the adapters fit, the kit may not be compatible with your engine.

Pros and Cons

Pros

  • Versatile use across various petrol engines.
  • Comprehensive adapter set included.
  • Dual pressure unit readings.
  • Durable and corrosion-resistant components.
  • Portable storage case for easy transport.

Cons

  • Requires some mechanical knowledge for proper use.
  • Accuracy depends on correct setup and sealing.
  • May not be suitable for all engine types (diesel engines are excluded).
  • Adapters may not fit every engine configuration.

Setup, Compatibility & Care

  1. Preparation: Ensure the engine is cold. Remove all spark plugs.
  2. Adapter Selection: Choose the correct thread adapter for the spark plug hole.
  3. Connection: Screw the adapter firmly into the spark plug hole by hand. Then, connect the tester.
  4. Testing: Crank the engine over with the throttle fully open for a few seconds (follow vehicle-specific instructions). Note the highest pressure reading.
  5. Repeat: Repeat the test for each cylinder.
  6. Compatibility: This kit is designed for petrol engines only. Ensure the adapter threads match your engine's spark plug thread size.
  7. Care: Clean the gauge and adapters after each use. Store in the provided case to protect from damage. Avoid dropping the gauge.