Quote:
Originally Posted by oldgold
Driving home one evening suddenly a huge amount of smoke became visible in the rear view, about one mile from home...
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Well a large increase is smoke can be from several things (bad injector, oil seals in turbo failing, head gasket failing so that oil goes into #1 cylinder). We'll need more info to help you diagnose it. The good news is that none of the three things that I mention would require an engine replacement.
A really great way to get help here would be to take a video of the car with the engine running, so we can see and hear what you are talking about. Post the video on youtube and link it here. Show us the smoke, let us hear the engine noise as you rev the engine up a little, let us see the engine at idle and at a higher RPM.
Please provide any other information you can, including any work that was done to the car before the smoke event. What does the engine sound like now compared to before? Any loss of power? What is the engine oil level like, has it dropped or increased? Are you still driving the car since this happened, or did you park it until you could fix it?