Turbo engines have become popular in recent years, as manufacturers scramble to reduce the size and make them more user-friendly but this makes them more susceptible to damage.
1. Slow acceleration
Slow throttle response is the most common sign on turbocharged engines. This is caused by a suspended exhaust, i.e. always open or a vehicle with a fuel delivery problem.
When the turbo doesn’t accelerate as quickly as before then the first issue to consider is the turbocharger. Likewise, when the turbo has trouble maintaining its speed or is unable to reach a certain speed threshold, it is possible that the turbocharger is faulty.
Slow throttle response is the most common sign on turbocharged engines
- Increase fuel consumption
Another benefit of using turbochargers is increased fuel economy, so if you notice a significant increase in your vehicle’s fuel consumption, you have to bring your garage to the test. This symptom can be caused by a variety of problems including a leak in the turbo causing raw fuel to flow into the exhaust.
- Excessive exhaust fumes
A turbocharger reduces emissions which means it also significantly reduces the amount of exhaust fumes emitted from the exhaust on both petrol and diesel engines.
When the amount of smoke is generated too much even when the engine has warmed up, it could be a sign of a broken turbo, namely a crack in the case or worn seals.
This causes fuel to leak into the exhaust system, significantly increasing the amount of smoke released from the vehicle’s exhaust (or exhaust). Blue smoke may indicate a worn or worn valve seal or piston ring.
When the smoke is generated too much even when the engine has warmed up, it could be a sign of a broken turbo
- Loud shout
The turbocharged engine actually works quieter because it reduces the sound of the intake air. However, if you hear a loud screech coming from the engine compartment, it is a sign that the turbocharged engine is not working properly.
Generally the louder the noise, the greater the damage, the problems that cause this noise such as: damage to the fan blade, vacuum leak, damage to the divider valve or poor ECU Remap.
- Check the engine lights
On most modern cars, the computer system will detect turbo damage. According to maintenance care experience, this is the first sign that a car’s turbocharger is having problems.
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