![Bad Engine Valve Seals - Symptoms Explained | Signs of failing engine valve seals in your car - YouTube Bad Engine Valve Seals - Symptoms Explained | Signs of failing engine valve seals in your car - YouTube](https://i.ytimg.com/vi/hkIKpYBoVpM/maxresdefault.jpg)
Bad Engine Valve Seals - Symptoms Explained | Signs of failing engine valve seals in your car - YouTube
![Is this a symptom of bad valve stem seals? Engine (petrol carb) runs smoky and rough on cold starts, takes about 10km of driving before it starts to drive normally : r/AskMechanics Is this a symptom of bad valve stem seals? Engine (petrol carb) runs smoky and rough on cold starts, takes about 10km of driving before it starts to drive normally : r/AskMechanics](https://external-preview.redd.it/D3eGQqEArwKdwvMKtCWGrwX6dQ2N1KgYD3gkNEVYPkk.png?format=pjpg&auto=webp&s=a4c078061b3b829ecfd5c1e5a93870a73099e4f4)
Is this a symptom of bad valve stem seals? Engine (petrol carb) runs smoky and rough on cold starts, takes about 10km of driving before it starts to drive normally : r/AskMechanics
![Is this a symptom of bad valve stem seals? Engine (petrol carb) runs smoky and rough on cold starts, takes about 10km of driving before it starts to drive normally : r/AskMechanics Is this a symptom of bad valve stem seals? Engine (petrol carb) runs smoky and rough on cold starts, takes about 10km of driving before it starts to drive normally : r/AskMechanics](https://external-preview.redd.it/A_jN7NkkNVoiK9Yj6ORnYCJmT2kj2hbui5vrG1Jg3yA.png?width=640&crop=smart&format=pjpg&auto=webp&s=1671bda3f338c98021c0513d438876f95e025436)