Cornells was the first Diesel Fuel Injection shop in Australia to be appointed a DENSO service agent back in 1973. The level of expertise in the diagnosis, repair and testing of mechanical systems remains as high as it has ever been. The intricate nature of mechanical diesel systems means a high level of skill and patience is required to repair and calibrate such systems for the best performance outcome. We can successfully diagnose and repair all mechanical systems from all the major manufacturers including BOSCH, DELPHI, DENSO, STANADYNE, YANMAR & ZEXEL. We specialise in repairing the following mechanical systems DPA/DPS pumps, VE Rotary pumps, Inline pumps, Single spring / 2 spring injector and PFR (Unit pumps).