Fault Diagnosis |
|
| Symptom: Engine Lacks Power |
|
| Cause |
Remedy |
- Worn internal engine components
- Fuel system defective or incorrectly adjusted
- Low boost
- Damaged turbocharger
- Air filter blocked
- Air pipe into turbo restricted
- Air pipe from filter to turbo leaking
- Air pipe from turbo to inlet manifold leaking
- Ignition timing incorrectly adjusted
- Blockage in exhaust system
- Exhaust gas leaking from manifold
|
- Repair engine as required
- Replace or adjust faulty components
- Check wastegate and actuator operation
- Determine reason for failure, replace turbo
- Replace air filter
- Replace pipe
- Check hoses for splits and tighten hose clips
- Check hoses and intercooler for leaks and replace
- Check and reset
- Replace silencers or catalytic converter
- Replace gasket or manifold-check bolts for tightness
|
| Sympton: Turbo Noisy |
|
| Cause |
Remedy |
- Damaged turbocharger
- Air pipe into turbo restricted
- Air pipe from filter to turbo leaking
- Air pipe from turbo to inlet manifold leaking
- Carbon build-up in turbo bearing housing
- Blockage in exhaust system
- Exhaust gas leaking from manifold
|
- Determine reason for failure - repair or replace turbo
- Replace pipe
- Check hoses for splits and tighten hose clips
- Check hoses and intercooler for leaks and replace
- Check engine oil and filter- replace turbo
- Replace silencers or catalytic converter
- Replace gasket or manifold - check bolts for tightness
|
| Sympton: Excessive Engine Oil Consumption |
|
| Cause |
Remedy |
- Worn internal engine components
- Fuel system defective or incorrectly adjusted
- Damaged turbocharger
- Air filter blocked
- Air pipe into turbo restricted
- Incorrect operation of crankcase
breather system
- Carbon build up in turbo bearing housing
- Air pipe from turbo to inlet manifold leaking
- Restricted oil drain pipe from turbocharger
|
- Repair engine as required
- Replace or adjust faulty components
- Determine reason for failure - replace turbocharger
- Replace air filter
- Replace pipe
- Check breather hoses, pipes and one way valves as
per manufacturers recommendations
- Change engine oil and filter - replace turbo
- Check hoses and intercooler for leaks and replace
- Replace oil drain pipe
|
| Sympton: Blue Exhaust Smoke |
|
| Cause |
Remedy |
- Worn internal engine components
- Fuel system defective or incorrectly adjusted
- Damaged turbocharger
- Air filter blocked
- Air pipe into turbo restricted
- Restricted oil drain pipe from turbochanger
- Incorrect operation of crankase
breather system
- Carbon build-up in turbo bearing housing
|
- Repair engine as required
- Replace or adjust faulty components
- Determine reason for failure - replace turbo
- Replace air filter
- Replace pipe
- Replace oil drain pipe
- Check breather hoses, pipes and one way valves
as per manufacturers recommendations
- Change engine oil and filter - replace turbo
|