Take advice from industry experts at Snap-on and work smarter from connection to completion – because time means money and we’d all like more of both.
Take a look into some issues you need to be aware of when it comes to dealing with selective catalytic reduction systems, AdBlue and NOx in vehicle emissions.
See how a Snap-on lab scope and diagnostic software can help you check voltage and amperage to guide you to a diagnosis when working on a faulty fuel injector.
Not sure how to do a particular test with your lab scope? Did you know there are built-in training classes within a Snap-on lab scope? This article tells you more.
Read on to see how you can check data and test that the electronic throttle control system is performing normally – and how you can tell if there is an issue.
Learn from industry experts at Snap-on about how having a solid diagnostic routine will help you be more efficient each time you face a troublesome vehicle.
Read on to improve your knowledge of nitrogen oxides from diesel emissions and how to deal with them.
Learn how the car diagnostic tool software from Snap-on can help you quickly and easily reset and re-calibrate sensors when completing a vehicle repair.
See how a Snap-on car diagnostic tool can help you diagnose communication problems on a vehicle in a clear and straightforward fashion.
If you’re having a hard time determining whether an ignition coil is faulty, there is a quick test you can carry out on your Snap-on car diagnostic tool which allows you to compare the voltage and current of a coil to find a problem.
Learn how to use your Snap-on car diagnostic tool to clear a service light on a VW or Audi vehicle and reset the service schedule.
Read on to discover how a Snap-on car diagnostic tool offers a simple way for you to monitor vehicle data when you are carrying out a road test as part of a repair.
Read on to find out how this simple procedure within Snap-on's diagnostic platforms is a great starting point for your diagnostic process.
Learn how to go about diagnosing a fault in a car door that won't open, using a Snap-on diagnostic platform and lab scope to help you to the answer.
Find out how Snap-on diagnostic platforms helped overcome the winter weather when dealing with an Audi TT that kept stalling in the rain.
See the steps that located, diagnosed and repaired a problem with a Volkswagen Golf's power windows, locks and mirrors.
Read how a fault in a Ford Focus's diesel particulate filter sensor was diagnosed, repaired and verified using a diagnostic platform from Snap-on.
This Snap-on Technical Focus article explores the evolution of vehicle diagnostics and ponders how long it will be before every technician needs a diagnostic platform.
Find out how the exclusive SureTrack system from Snap-on helped provide answers when a Mini with an engine fault arrived at a workshop.
Learn more about mutual induction technology and discover some helpful points to consider when working on a fix in your workshop.
Read why it's important to make sure all checks are done in order to complete repairs and clear any diagnostic fault codes from a vehicle.
Find out how a 3D four wheel alignment system from Snap-on can help you show the benefits to your customers of them having their wheels aligned.
Take a look at some of the important steps you need to know when it comes to diagnosing car air conditioning issues, with the help of a Snap-on diagnostic expert.
A 2011 Peugeot 207 with a 1.4 litre common rail diesel engine fitted (engine code – 8HR) was failing to start. It was found that there was no voltage present at terminal 50 of the starter motor when the ignition key was turned.
We’re looking at a 2008 BMW E90 with a 2.0L spark ignition engine that has been suffering from occasional rough running when starting and the engine management light is illuminating.
You should rely on your knowledge of fundamental electrical principles when fault-finding an electronic sub-system.
With the implementation of Euro VI emissions standards, manufacturers are fitting additional hardware such as Pressure Sensing Glow-plugs (PSG) to monitor in cylinder pressure to accurately diagnose combustion anomalies.
Prior to starting a repair, you should research all relevant data relating to the task. An example of this is investigating which special functions and procedures need to be executed after a repair is carried out.
Although voltage testing is valid for circuit and wiring test, monitoring a current flow trace is the most accurate way of testing a component.
Modern vehicles can sometimes appear to be complex but troubleshooting most problems can be reduced down to applying simple logic to a specific circuit.
A 2008 Audi A6 2.0L PD compression ignition engine with an engine code of BRD had an intermittent no-start condition when the engine was up to operating temperature.
The polarity of a motor is reversible, which allows for accurate control of the entire system. One way to control the polarity is by designing what is known as an “H-drive” bridge circuit.
Electronic throttle control has now become a standard fitment in all spark ignition engines. This has allowed for advances in technology such as cruise control, traction control, limited operating strategy (limp home mode) and engine speed limiter.
The summer season is when air conditioning is at its most popular among drivers so you can capitalise on this to generate revenue for your workshop with almost no extra labour requirements.
Many modern systems, such as common rail diesel injection, can appear to be so complex that they seem to operate by magic.
A 2005 Fiat Multipla with a 1.9 litre turbocharged compression ignition engine had been to an independent repairer because the malfunction indicator lamp was on and the vehicle was running on a limited operating strategy, often referred to as limp mode.
A 2002 Toyota Yaris with a one litre spark ignition engine had been out of use for several months and required assistance to start the engine when it was to be driven again.
The diesel particulate filter is designed to trap and store Particulate Material (soot) that is produced by the diesel engine during normal driving.
A certain amount of caution is necessary when attempting to start vehicles which have a discharged battery.
A 2004 Opel Corsa with a Z10XE engine failed to start and there was no fuel pressure when tested at the fuel rail using a pressure gauge.
A 2003 Honda Accord 2.0L petrol with an engine code K20A6 had the engine management light illuminated and a fault code stored for: EGR – Insufficient flow detected.
The vehicle for this scenario is a 2003 Fiat Punto 1.2L petrol with an engine code 188.A4.000. The vehicle had the engine management light illuminated and was misfiring on two cylinders.
The fundamental reason for the engine control module to implement fuel trim control is to meet the requirements of the exhaust gas after treatment system, in other words to have the correct conditions for the catalytic converter to work most efficiently.
Snap-on produces regular technical help articles based on real-world case studies by our team of experts.
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