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50 Articles Listed

...    Question: We service a 2009 1.6 HDi Citroen Berlingo III and recently replaced the crankshaft position (CKP) sensor as the cause of engine starting difficulties and hesitation on acceleration. The vehicle was OK for a while, but has now returned to the workshop with the...

...Question: We are having difficulty diagnosing an electrical fault on a 2005 Lexus RX300 3.0. The ABS/ESP warning lamp is illuminated and some trouble codes are stored. We have worked through the trouble codes but haven't found the cause of the fault. Has this been reported before? An...

...Question: We are experiencing a problem of increased engine noise in the passenger compartment of a 2009 Audi Q5. Despite visually checking the engine bay and both front footwells, we cannot find the source of the engine noise. Can you help? Answer: Yes, we are aware of the fa...

...The most important part of any clutch system repair begins with the initial diagnosis. The primary cause of complaint must be identified correctly, along with any secondary or related concerns, prior to replacing or repairing any components. For example:  a clutch might be slipping be...

...As vehicles become more advanced, they need more control modules. Finding places in the car to put the growing number of control modules brings more challenges to manufacturers, and they become more inventive in finding places to put them in. This brings it's own special problems that here...

...In recent years, diagnostic tools have gone through major changes, from the very basic scan tool to high end diagnostic platforms. So many brands  and models are available. Some with inbuilt scopes, wifi connectivity, onboard help services, built in cameras, databases, etc. All of thi...

...In the past, it was normal practice to accept any job that came into the workshop, as cars had very similar systems. Once you knew the basics, you could get by with a little help from your technical manuals and data software. But this is no longer true.     A recent case we...

...Freelander TD4 running rough   We have had several instanced of customer reporting poor performance, stalling and rough idling, and poor starting on the Land Rover Freelander range with the TD4 engine. This engine has been used in the Freelander since  2001.    &...

...We recently assisted a customer with a Fiat Scudo 120 Multijet, fitted with an RHK engine. This vehicle came into his workshop as a non-running vehicle. The DTCs on the ECM were endless. Codes were present for Reference voltage error, Analog to Digital converter, Internal memory error,...

...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...



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