Faulty Turbocharger Diagnosis

Faulty Turbocharger Diagnosis

We have compiled a list of faults to help you diagnose your problem and see if we can help.

At Turbo Repairs UK we have over 20 years of engineering experience to help you solve all of your turbocharger issues. We recommend that you contact us immediately if you are experiencing any of these faults and we will be more than happy to help.

Symptom : Engine Lacks Power
Cause Remedy
Worn internal engine components Repair engine as required
Fuel system defective or incorrectly adjusted Replace or adjust faulty components
Low boost Check waste gate and actuator operation
Damaged turbocharger Determine reason for failure and repair or replace turbo
Air filter blocked Replace air filter
Air pipe into turbo restricted Replace air pipe
Air pipe from filter to turbo leaking Check hoses for splits and tighten hose clips
Air pipe from turbo to inlet manifold leaking Check hoses and intercooler for leaks and replace
Ignition timing incorrectly adjusted Check and reset
Blockage in exhaust system Replace silencers or catalytic converter
Exhaust gas leaking from manifold Replace gasket or manifold – Check bolts for tightness

 

Symptom : Noisy Turbo
Cause Remedy
Damaged turbocharger Determine reason for failure and repair or replace turbo
Air pipe into turbo restricted Replace air pipe
Air pipe from filter to turbo leaking Check hoses for splits and tighten hose clips
Air pipe from turbo to inlet manifold leaking Check hoses and intercooler for leaks and replace
Carbon build-up in turbo bearing housing Change engine oil and filter – overhaul or replace turbo
Blockage in exhaust system Replace silencers or catalytic converter
Exhaust gas leaking from manifold Replace gasket or manifold – Check bolts for tightness

 

Symptom : Excessive Engine Oil Consumption
Cause Remedy
Worn internal engine components Repair engine as required
Fuel system defective or incorrectly adjusted Replace or adjust faulty components
Damaged turbocharger Determine reason for failure and repair or replace turbo
Air filter blocked Replace air filter
Air pipe into turbo restricted Replace air pipe
Incorrect operation of crankcase breather system Check breather hoses, pipes and one way valves as per manufacturer’s instructions.
Carbon build-up in turbo bearing housing Change engine oil and filter – overhaul or replace turbo
Air pipe from turbo to inlet manifold leaking Check hoses and intercooler for leaks and replace
Restricted oil drain pipe from turbocharger Replace oil drain pipe

 

Symptom : Blue Exhaust Smoke
Cause Remedy
Worn internal engine components Repair engine as required
Fuel system defective or incorrectly adjusted Replace or adjust faulty components
Damaged turbocharger Determine reason for failure and repair or replace turbo
Air filter blocked Replace air filter
Air pipe into turbo restricted Replace air pipe
Restricted oil drain pipe from turbocharger Replace oil drain pipe
Incorrect operation of crankcase breather system Check breather hoses, pipes and one way valves as per manufacturer’s instructions.
Carbon build-up in turbo bearing housing Change engine oil and filter – overhaul or replace turbo