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Discussion Starter · #1 ·
I am posting here in the hope that someone can help with the following issue on a W reg Astra 1.7TDI.

Basically that car stats and runs fine, however when you start the engine it seems to be slightly louder then you'd maybe expect and when you drive the car it goes fine - however it will occasioinally give a heavy diesel knock.

It will cruise fine but when you accelarate you can force the car to knock arround 2000 rpm'ish.

Its as if its over fueling and knocking and I am thinking its something to do with the pump balancing the fuel when the turbo comes in.

I don't know if its the ECU as it stats fine and I'm not sure if its the MAF.

Has anyone seen this problem before?

All help of advice is greatly appreciated.

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