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KenM

300tdi engine woe

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Hi everyone

Over the last couple of days there has been a gradual loss of power and has started smoking (blue). I decided to take the head off and have a look, this is what I found,

post-16540-0-20008400-1371585113_thumb.jpg

Does anyone have any ideas what may have caused this, the other bores and pistons were really good,

what to do now though, anyone got a decent engine for sale. Any thoughts will be gratefully appreciated.

many thanks

Ken

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I shouid have mentioned that the engine has done 186k

thanks

Ken

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It could be a spray pattern issue with an injector, but it's probably just metal fatigue at that age.

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Snagger,

thanks for your reply I did wonder if a faulty injector could have been an issue.

Ken

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I only picked up the distortion of the piston's recess on a second look - I'd be very suspicious of your injector.

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IMHO 186 K is not impressive at all, I have one engine with 800 K another with 480 K and a third with 256 K all with no re-builds over those distances. All work looong hours off road so the time those engines took to accumulate that mileage makes it even more impressive. Properly cared for and serviced the 300 tdi lasts along time.

I would bet on a faulty injector being the cause.

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