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337 results found for Autobiz

...VOLVO S60 - Lumpy tick-over and into Limp Mode The throttle body sits below the manifold and can only be accessed once the manifold is off The owner of this 2001 Volvo S60 2.0l had been experiencing a problem with a lumpy tick-over for some time now, but things were getting worse. Then t...

...Renault Clio - Handbrake Adjustment Correction Once the cables were released the calliper levers returned to the back stop Some owners it seems, have a hang up about the number of notches the handbrake travels before it holds the vehicle firmly. This is not a problem, except on a vehicle...

...Tech Bits with Steve Rothwell May 2018 Tales from the workshop Opel Combo - Steering Rack Surprise The steering rack had excessive rust in the unit cause by a lack of lubrication following a boot replacement The driver of this 2008 Vauxhall Combo van, had been unhappy with the steeri...

...Understanding Long Term Fuel Trim - a hidden gem that will save you time and money Long term fuel trim (LTFT) is a powerful PID in the diagnostic data that is often overlooked or ignored by many technicians. Here are 2 recent examples of the power of LTFT data that can make early diagno...

...Tech Bits with Tim Stock from November 2018 Renault Trafic R9M 1.6 Bi-Turbo Non-start The scope trace from the cam and crank sensors, after the flywheel was re-installed An alignment hole on a flywheel, at arrow A customer's Renault Trafic was given to the junior tech to change the clu...

...Autobiz Tech Helpline Autobiz Helpline Tim Stock Temperature and pressure relationships in AirCon systems In a recent edition, we explored the common issues faced by workshops diagnosing modern air conditioning systems, and the issue with compressors that had failed to operate, for man...

...Testing Piezoelectric Injectors When you squeeze quartz an odd thing happens, it will produce a current. When you apply current to quartz, it will rapidly change shape and stay in that new shape. Piezoelectric injectors uses this characteristic to provide fast, precise control of inject...

...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...

...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...

...Common rail diesel injection has been around for many years now, and technicians have been familiar with the processes required when diagnosing these systems… until now. The vehicle in question was a Ford Galaxy 2.0 TDi fitted with a KNWA engine built from 2010. The vehicle cut out whi...



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