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Blue smoke and misfire 300 TDI


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Hi

Just wondering if anyone has any thoughts/experiences of the problem I'm having: Blue smoke up when revved in the mid range, accompanied with misfire/lack of power. Engine is 1995 300 TDI with 100k. To date I've given a good service with Fuchs 15/40w turbo diesel oil and changed all of the filters - to no avail.

Where should I start next?

Regards

Richard

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Start the engine for a few seconds then remove the glow plugs and see if one is a different colour from the rest (wet with diesel or covered in oil). Could be an injector problem, I assume you've checked for leaks, such as diesel leak or compression leak up one of the injectors?

Les.

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yeap certainly have, oddly enough the misfire is occurs, with the blue smoke only intermittenly and then clears with a good rev. I'll have a look at the glow plugs as suggested and let you know. I don't have a compression tester for a diesel, which is a bit of a problem though!

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  • 2 years later...

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