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The turbo has failed on my car - and despite being replaced it won't go above 60mph?
A couple of weeks ago my Mazda 3 1.6 diesel died on the motorway. It was towed to a local independent garage, where £800 later the turbo was replaced, the DPF was filled with fluid and regenerated and the oil and oil filter replaced. It ran okay after that for about two days, but then went into limp mode began.
The garage attempted a regeneration again but when they came to the final stage of the process, the computer wouldn't allow the regeneration, saying the car does not have a DPF? I am now left with a car that is just about driveable, in limp mode, not revving above 3000rpm or going above 60mph. It also takes far longer than it should do, to gain speed at lower mph and my local garages haven't a clue what to do with it. Three different professionals say they've never seen anything like this before?
The garage attempted a regeneration again but when they came to the final stage of the process, the computer wouldn't allow the regeneration, saying the car does not have a DPF? I am now left with a car that is just about driveable, in limp mode, not revving above 3000rpm or going above 60mph. It also takes far longer than it should do, to gain speed at lower mph and my local garages haven't a clue what to do with it. Three different professionals say they've never seen anything like this before?
Asked on 9 October 2018 by Wendy Bradshaw
Answered by
Honest John
The usual reason for turbo failure is oil starvation to the turbo bearing because the bearing oil feed and oil return pipes have become choked with carbon. So if these pipes were not replaced when the turbo was replaced, the new turbo will fail in the same way.
Tags:
engine problem
turbo engines
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