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50 Articles Listed

...Engine restart times can be critical to the driver's peace-of-mind. Stop/start systems control this and the technology continues to advance. Denso have recently developed a new starter motor which has been equipped with a Tandem Solenoid (TS). This new system is designed to reduce start...

...Fitting error causing engine coolant to leak onto alternator can cause belt slip on a 2001-09 Mini R50/R52/R53 with 1.6 &1.4 petrol engines. All vehicles with W10 engine code are affected from 2003 onwards. Alternators fitted to the above vehicle are being returned under warranty af...

...This month we look at two Corsa’s with unusual problems, but proper diagnostic techniques quickly found the source of the problems.     The first Corsa D had a flashing MIL and a misfire. A scan revealed the code P0300 (Random/Multiple Cylinder Misfire Detected) was prese...

...A common problem we are having with the replacement of the brakes on BMW vehicles fitted with a condition based service indicator.  When checking the condition of the brakes on the service menu, the technician then performs a brake pad reset after replacing the pads. But the problem o...

...Various electrical problems, loss of central locking, wipers, immobiliser faults, etc. We have found these can be due to water ingress into the UCH module located in the near side of the dash. Water can find it's way into this module from the sunroof and roof mounted arial. &n...

...DPF systems seem to be gathering pace in the problem list. The Zafira B Z19DT is one such call we deal with regularly. On investigation of the fault codes the DPF pressure sensor seems to be at fault, but the rubber pipes located near the DPF may have melted through. And codes for gl...

...In the past mechanics have muddled by with just a multimeter as their trusted diagnostic friend. No longer is this the case. Every day on the helpline we are asked to help with ever more complicated problems on modern vehicles, only to discover that the mechanic has only a multimeter to...

...This vehicle suffers with a poor idle quality and fault codes for high fuel rail pressure. This vehicle has a pressure relief valve located in the fuel rail. A mechanical devise to relieve over-pressure on the fuel rail. This valve has been know to fail. When removing this valve it ofte...

...  ​Recently, we have noticed a large number of garages calling the Helpline with faults logged for catalyst efficiency below threshold, only to be told the garage has recently replaced the CAT following a failure of the original part. The customer then returns a few weeks lat...

...We have come across numerous issues of Starter Motors fitted to Fiat Doblos 1.3 Multijet Diesel engines between 2006 and 2011 where they have been returned burnt out. This failure is also very common on old core returned showing the mode of failure is caused due to a vehicle fault (faul...



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