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371 results found for Autobiz

...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...

...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,...

...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.    &...

...Access to Digital Service Records for Independent garages Vehicle manufacturers are increasingly ditching the physical, printed maintenance records in favour of online digital service histories. The argument is that it is more convenient and efficient, with reduced scope for mileage...

...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...

...Clogging in EGR valves (Exhaust Gas Rescirculation)The (Exhaust Gas Recirculation) EGR valve is an element used to lessen\ unsafe NOx gases in the exhaust by reducing the combustion temperature in the cylinders. This is done by recirculating oxygen deprived exhaust gas back into the \ e...

...Replacing a mass air flow sensor MAF When replacing an mass air flow (MAF) sensor, there are several factors which have to be considered.Why is the MAF sensor being replaced? Is it as a result of a stored error code which triggers the engine management light?If so, just because the engine...

...Common faults in ignition coils Diagnosing faulty ignition coils Ignition coils take power from the battery and relay it to the spark plugs igniting the fuel and makes your vehicle run. There are some common signs to look out for when looking to diagnose a faulty ignition coil. Po...

...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...

...Removing seized nuts near fuel lines When faced with the problem of removing a rusted, frozen nut or bolt in an inaccessible space, near a fuel line, the traditional approach of using an Oxy-Acetylene torch is not recommended. Using a torch in a confined space vastly increases the con...



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