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  1. D

    A6 C5 2.5TDi No power and White Smoke

    FYI Guys White smoke emmitted from the exhaust is more common to being unburnt Fuel,But could be confussed with water leaking into the combustion chamber and exits as steam, usual tell tale sign could be bubbles and excessive pressure in the header tank Black smoke is excessively overrich...
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    A6 C5 2.5TDi No power and White Smoke

    Hi Guys Many thanks for repiles. Further investigation has show that extra fuel being added as boost pressure not reached, it does this to keep the required torque demand of the speed of the engine. EGR Valve has been removed and sonic cleaned, All intake system has had the same treatment, so...
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    A6 C5 2.5TDi No power and White Smoke

    Thanks Mudplugger. Intention was to get to good original runnig order, Wanted to know if I struggled towing my Caravan where and how to uprate the power. Good advice well taken Any Ideas what and where to start?
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    A6 C5 2.5TDi No power and White Smoke

    Hi and help Just bought above car and plugged in VAG com. 6 Pcodes present P00523 P00532 P00550 P00575 P00667 P01376 All appear to point to wiring. Also Noticed that coolant temp was low at 41 deg and gauge showing 90 deg. All terminals on coolant sensor were corroded and full of water, Have...