Peugeot 308 1.6 HDi engine problems 

Peugeot 308

The Peugeot 308 1.6 HDi engine is one of the best engines in the 308 lineups. It is a diesel engine and very efficient. It is also cheap to maintain and performs considerably well. Nonetheless, what are the Peugeot 308 1.6 HDi engine problems? 

Some of the common problems with the Peugeot 308 1.6 HDi engine are DPF problems, head gasket problems, rough idling, leaking injectors, and excessive oil usage. Additionally, some users have complained of having starting issues, turbo failure, and engine overheating. 

What are the common problems with the Peugeot 308 1.6 HDi engine?

DPF problems 

This is one of the major problems with the 1.6 HDi engine. The diesel particulate filter (DPF) usually gets clogged with excess soot that causes reduced exhaust flow and engine performance. When this happens, regeneration is normally needed to burn off the blocked soot. Nevertheless, if the blockage is severe, you may have to clean it or replace the DPF. 

One of the best ways to avoid this problem is by exercising proper diving habits and keeping up with regular maintenance.  

Head gasket issues 

Another common problem with the Peugeot 1.6 HDi engine is head gasket issues. While most head gaskets fail due to wear and tear, they can also fail due to overheating or poor maintenance. One of the common signs of a blown head gasket is oil leakage. 

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Unlike some issues on this list, if the head gasket is blown, you will have to visit a professional mechanic to have it replaced. 

Excessive oil consumption 

Oil consumption is another problem that Peugeot 308 1.6 HDi engine owners have been complaining about. On top of that, Peugeot recommends owners to use either 5w30 engine oil or 10w40 engine oil, which are costly. 

The main cause for excessive oil usage in the Peugeot 2.6 HDi engine is worn-out piston rings and valve stem seals. To fix this issue, you may have to replace the worn-out piston rings and valve stem seals.   

Rough idling 

Many Peugeot 308 1.6 HDi owners have also complained about the car running rough when revved up. Some of the signs of rough idle are a shaking and bouncing sensation in the car. Furthermore, the driver may notice strange sounds and inconsistent RPM counts. 

The main cause of rough idling in the Peugeot 1.6 HDi is the EGR valve clogging up with carbon. To fix this problem, you will have to clean the EGR valve or replace it. 

Leaking injectors 

The fuel injectors on the Peugeot 308 also wear out after some time. Besides, they can also become damaged, causing leakages. If the fuel injectors on your Peugeot 308 become damaged or start leaking, you should have them replaced. 

Turbo failure 

A common sign of a failing turbocharger is when the Peugeot 308 1.6 HDi engine produces blue or black smoke from the exhaust. Additionally, there may be a loss of power and acceleration. To fix this problem, you will have to replace both the EGR valve and the failing turbocharger. Make sure to visit a professional mechanic to fix this problem as it can be challenging to replace. 

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Engine overheating

The main reason why the engine overheats in the Peugeot 308 is due to the coolant not flowing through the system as it should. Nonetheless, it may be due to head gasket failure, thermostat stuck closed, water pump failure, and radiator either partially or fully blocked. 

To fix this issue, it is vital to have the car diagnosed and the real problem identified. Ensure the faulty part is fixed or replaced. 

Starting problems 

There are several reasons why the Peugeot 308 1.6 HDi engine may not start. Some of them include a weak 12V battery, a bad alternator, corrosion on battery terminals, a broken starter motor, and defective spark plugs. Ensure to have the car inspected and the culprit identified. The bad part should be replaced to fix the issue. 


Is the Peugeot 308 1.6 HDI engine reliable?

Generally, the Peugeot 308 1.6 HDi engine is reliable. However, it still registers several problems that can be avoided with good care and maintenance. But when compared to other similar engines, the Peugeot 1.6 HDi engine is slightly costlier to maintain. Besides, most reliability agencies have given the 1.6 HDi engine an above-average reliability score, which is quite good. 

How long will a Peugeot 1.6 HDi engine last

Like most Peugeot engines, the Peugeot 1.6 HDi engine is very durable. However, the durability of the engine also depends on how well the owner maintains the car. On average, the Peugeot 1.6 HDi engine will last for 200,000 miles. Since it is a diesel engine, it can last even more than 200k miles with proper repair and maintenance.   

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Is the Peugeot 308 HDi a good car?

Yes, the Peugeot 1.6 HDi is an excellent car. This is because it is compact but spacious. It also comes with a modern cabin with a spacious cargo space. On top of that, it comes with a reliable engine but with a few issues. But with proper care and maintenance, this car can last for a long while.  

What does the 1.6 HDi engine stand for?

HDi- is a diesel engine (HDi stands for High-pressure direct injection) eHDi – a diesel engine with start and stop technology. This engine works by cutting out when the vehicle comes to a standstill (such as at traffic lights) and restarts when the accelerator is depressed. 

What is the difference between TDI and HDI engines? 

The HDI engine is a 16-valve common rail unit with either 90 or 110 bhp. On the other hand, the TDI is an 8-valve PD (pre-common rail) unit with 105 bhp and has been around since the early 1990s. Note that HDI stands for High-Pressure Direct Injection, while TDI stands for turbocharged direct injection.  


The Peugeot 308 1.6 HDi is a sleek and stylish compact car. It is also economical, spacious, and practical. However, the Peugeot 1.6 HDi engine comes with several issues, including head gasket problems, DPF issues, rough idling, excessive oil consumption, and leaking injectors. 

Overall, the Peugeot 1.6 HDi engine is reliable and durable. With good care and maintenance, the owner should expect the engine to run for more than 200k miles.

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