Specialized Diesel Knock Solutions

Tom Diesel eliminates engine knock and injector noise with precision diagnostics and repair. Restore your diesel engine to smooth, quiet operation.

Schedule Knock Diagnosis

OUR DIESEL KNOCK SOLUTIONS SERVICES

Identifying and solving engine knocking issues

Combustion Knock

Loud banging from improper fuel ignition:

  • Incorrect injection timing
  • Low cetane fuel quality issues
  • Carbon deposits in combustion chamber
  • Glow plug system failures
  • Air/fuel ratio imbalance

Injector Knock

Distinctive ticking from faulty fuel injectors:

  • Worn injector nozzles
  • Sticking injector needles
  • Internal component wear
  • Contaminated fuel damaging internals
  • Pressure regulation failures

Mechanical Knock

Deep knocking from engine components:

  • Worn piston rings and cylinder walls
  • Connecting rod bearing failure
  • Crankshaft and main bearing issues
  • Valve train component wear
  • Harmonic balancer problems

Our 5-step process to identify knock sources

1

Acoustic Analysis

Using electronic stethoscopes to pinpoint knock location

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2

Cylinder Cut-out Test

Isolating cylinders to identify problem injectors

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3

Pressure Wave Analysis

Measuring fuel pressure waveforms with oscilloscopes

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4

Compression Testing

Checking cylinder compression for mechanical issues

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5

Computer Diagnostics

Reading ECU data for injection timing and pressure values