The Peugeot 308 is a small passenger vehicle produced by the French marque since 2007. It was first manufactured under the PSA banner, and now the work continues with Peugeot joining the Stellantis group. Peugeot makes the 308 as a hatchback, a coupe, a station wagon and as an SUV, so it is fair to say that the vehicle has a budding presence in the automotive market.
The European car industry is focused mainly on small vehicles, which is why, many manufacturers focus on hatchbacks instead of saloons or SUVs. Peugeot has always been at the forefront when it comes to making quality hatchbacks. The 308 is a testament to their engineering, skill, and advancement in crafting a near-flawless vehicle.
But, no matter how perfect they are, man-made things can develop faults and issues. Here are the most common ones you will find in a Peugeot 308.

Coolant System Failure

The coolant system performs the very important task of maintaining engine temperature. If it fails, you are in serious trouble. Unfortunately, this is a problem in the first-generation Peugeot 308. Many users reported that the engine was overheating even after they checked coolant levels. On deeper inspection, it was found out that there was a significant leak somewhere in the coolant system that led to such a failure. If you are experiencing this in your 308, it might be time to replace the coolant system entirely.

Startup Problems

Peugeot 308s have been known to develop startup issues later on in their life. The problem is linked to a faulty ECU. If you are witnessing such issues in your car, you should book an appointment with a technician, and get the ECU properly inspected. That’s because if you ignore the ECU now, you will see faults developing in other areas sooner rather than later.
Moreover, if you are told that the ECU is working fine, then you could be experiencing issues in the starter motor, starter relay or fuel system. There are so many diagnoses for this problem, so you must visit a mechanic to get the proper one.

Turbocharger Malfunction

Some Peugeot 308 owners have reported that the car emits blue/black smoke from the exhaust. When that is happening, there is also a loss of power and acceleration. If you are experiencing that issue, then the turbocharger in your 308 is malfunctioning. The best way to solve this problem is to replace the old turbo with a new one. And while you are doing that, make sure to replace the EGR valve. It’s a small component that has an integral role in controlling emissions.
Keep in mind, that turbocharger replacement is costly, and you will have to spend a lot of money to get it done. In such a case, try to look for salvaged vehicles on an auction and get the desired part from there. That’s the wise way to go about things, but you can always buy a new turbo and employ a mechanic to do the work for you.

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