What happens if a turbocharger fails

Knowledge Center Gain access to thought leadership and practical content to increase knowledge in turbocharger powertrain boosting, electric and hybrid solutions, and connected vehicle software. Go Back To Home. Other reasons, such as poor driving habits , can result in turbo failure, so you should also consider these causes: Prolonged engine idling can create a vacuum with the turbine Hard acceleration from cold will not give the oil time to circulate, causing oil starvation to the turbo and engine bearings.

Hot engine shutdown can cause carbon build-up in the turbo, leading to bearing failure. Particularly in commercial vehicles such as on-highway trucks, revving the engine beyond its safe limit can cause the turbo to overspeed and over boost the engine this can also happen in naturally aspirated engines as well , and to suffer oil starvation. Turbocharger Troubleshooting If you think your vehicle might have a turbo-related problem, stop before you replace because turbo damage can often be a symptom of an underlying problem rather than the cause itself.

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What cars to buy, where to buy them. How to check them out. Do you need a license? Diagnose a stuck caliper and avoid a potential road accident. It will need replacing eventually. Other issues — as the turbocharger is constantly under pressure, there are many things that can impact its performance.

Excessive exhaust gas temperature EGT can overheat the part, and moisture ingress can cause rust and degradation. Additionally the turbo can suffer from problems caused by the exhaust system, the fuel intake and the waste gate. Loss of power and slow acceleration — the turbocharger is designed to make your car reach top speeds faster.

Smokey exhaust and excessive emissions — one of the problems with worn seals and cracks in the turbo is that this allows oil to enter the exhaust, which will burn off with a very distinct greyish blue smoke. Check engine light — there are several reasons why this light can become illuminated on your dashboard. It could be down to problems with your sensors, or even a loose petrol cap, but sometimes it may indicate a serious issue with your turbo.

Stay on the safe side and get the car checked out by a mechanic. Any drop in boost should indicate to you to book a visit to the service centre for an inspection. Burning oil — as we mentioned, oil leaking in the turbocharger is a sign of gradual failure. Disconnect the downpipe at the front of the turbo and take a look inside.

Can you see oil? Any sign of deposits in the pipe means that you need to get the turbo serviced.