In the past I have been witness to a number of poor running vehicles that have been mis-diagnosed and the customer has had to fork out for expensive replacement parts like fuel pumps and injectors when there is nothing wrong with them and then their car STILL runs badly! Arrghhhhh!
To avoid any unnecessary costs, look out for a common issue relating to this problem and that is the fuel cooler……..The fuel cooler can be mounted under the car near the jacking points and is in a position where it can get easily crushed, creating a host of woes for the diesel engine, as the damaged cooler blocks returning fuel to the tank, causing back pressure problems. So if you are ever in doubt, it is always a good idea to check the fuel pressures manually.
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