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S Max 2.2 Tdci Loss Of Power


blueovalboy500
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Hi. I recently bought a 09 plate 2.2 s max. It has the euro 4 engine.

It's started to lose power and is struggling to get up hills and won't Rev over 3k. I bought the egr blanking plate as I looked on the web and this kept coming up as a poss problem but it's still doing it even after I have fitted it.

Any help would be appreciated.

Thank you.

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Check the pipe that connects the intercooler to the EGRV microscopically as they often split resulting in lack of boost

Also when was the fuel filter last changed ?

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Thank you for the reply.

I don't know when the fuel filter was changed tbh. I only had it 2 months and no documentation when I bought it. Has to be worth changing first doesn't it.

Would t it happen all the time if I had a split in the pipe?

Thanks.

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Change the fuel filter & see if there's an improvement

The lack of boost caused by a split / damaged pipe is often more noticeable when there is an added demand for power - going up hills for example, or overtaking

Check the connections on the pipe are tight too at both ends

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Is there evidence of black smoke at the exhaust when accelerating ?

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Funny enough for a diesel it's really clean out the tail pipes. I not seen any big black clouds of smoke.

In the morning. U jump in and it could run sweet for about 30 mins. Then bang. Loss of power. Then it will come back out of the blue. I thought blanking tge egr would fix it. I did remove the pipe that comes from the exhaust to it and it was quite silted up so I cleaned it. Still the same.

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Any fault codes / is the EML illuminating ?

Did you reconnect the pipe to the EGRV tightly ?

Maybe turbo vanes sticking ?

At least the EGRV is eliminated as an issue as it's blanked

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