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Quote: Originally posted by Tentz on 17/2/2013

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The egr valve is there only to reduce pollution by recirculating exhaust gas back into engine at low engine speeds so blanking valve will increase emission. As current diesel mot test cannot check actual emissions only smoke you can get away with blanked egr valve.

For cleaning egr valve plenty swear by Forte air intake cleaner.

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Now comes the question: if blanking off on a non common rail diesel improves performance and consumption, why the heck are these engines fitted with them, there must be a reason ?? Also not recycling a percentage of the exhaust gases, could this effect the emissions??....Mick

It's fitted to reduce the emmisions making the car greener and cheaper to Tax.

Bessie

Quote: Originally posted by twintens on 17/2/2013

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mick how much did it cost for the decoke

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