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...Over the last few years, the Autobiz Helpline has seen petrol go through some changes, and diesel fuel is not immune to new formulations. These changes are required for fuel supplies to meet the governmental renewable obligations, and to reduce the environment pollution limits. Biodiesel...

...Over the years, we have seen petrol go from leaded to unleaded, as the tetra lead content was removed from petrol. This created some issues for engines not compatible with this reduction in the lead content and required engine modifications to cope. This was especially true for older vehic...

...Corrosion had really taken hold and the brake discs and pads were good for nothing but the bin One of many vehicles that had seen little use due to the Covid lockdown, this 2005 Ford Focus 1.6 had been left standing for an extended period of time. It’s owner had been furloughed for th...

...The spring had failed after a few weeks This tale is a warning to owners who may want to skimp on the quality of the parts they fit to their vehicle. This 2012 Mercedes E350 CDi had covered a good few miles in its life, and had clocked up over 280,000 kilometres when the suspension air...

...BMW X1 - Snapped and failed coil spring When the smaller lower coil spring fails the suspension can drop leaving the vehicle immobile This may have been a rugged SUV, but the BMW X1 2.0 diesel still suffered from the problems associated with more run of the mill saloon vehicles. In t...

...A recent Autobiz Helpline call, regarding Park Distance Control (PDC) errors on a Volkswagen Polo, prompted us to pass on some simple test procedures to the technician. The proper test procedures for the parking system are a bit of a mystery to many technicians. Most will “listenâ€...

...SCR NOx sensor update Two recent Autobiz helpline calls, regarding test information for Land Rover rear NOx sensors that had fault codes for poor NOx readings, SCR catalyst efficiency. The testing process for the SCR efficiency begins with serial data checks on the AdBlue system. Im...

...Renault Clio - Losing coolant The owner of this 2007 Renault Clio Dynamique was having to regularly top up the expansion bottle in the cooling system, and he was concerned that this may be due a problem with the head gasket. There was no basis to this assumption, but I have discovered t...

...Ford Transit - Juddering clutch problem The owner of this 2005 Ford Transit 2.4 diesel 350, had brought the vehicle to me, as it was suffering from a bad clutch judder, and he was concerned that it was going to let him down when he needed it most. Using the motor for furniture removals,...

...BMW X5 - Transfer box control failure The owner of this 2007 BMW X5 brought the motor to me with both the ABS and 4X4 warning lights on. My first action was to connect my scanner and look for any codes in the system. I found that the codes coming up from the transmission control module...



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