Learn about some short but important steps you need to follow when it comes to ensuring that replaced modules are fully recognised by a vehicle.
Find out how a simple test with a Snap-on lab scope can help you diagnose ignition problems on a vehicle.
Make your life easier by using a Snap-on lab scope and scan tool to check and verify the correctness of vehicle scan data - on the same screen at the same time.
Did you know that fuel injectors on Direct Injection vehicles work differently than a standard fuel injector? Read our new Technical Focus article to learn more.
Help make diagnosing a misfiring Ford a lot more straightforward with the aid of a quick and simple test available in Snap-on scan tools.
Discover a new technique included in the latest Snap-on diagnostic software upgrade designed to make your life easier when it comes to coding vehicle headlamps.
Take the challenges out of diagnosing modern air/fuel ratio sensors by using this handy process in Snap-on scan tools with up-to-date diagnostic software.
See what was happening on the vehicle you're working on before and after the diagnostic trouble code was set thanks to a handy feature on Snap-on scan tools.
Find out about a quick and easy way to help diagnose fuel pump issues by using your Snap-on lab scope and diagnostic software to generate readings for analysis.
Learn about a quick and easy way to test a vehicle's communication network and get to the bottom of no-communication problems efficiently.
See how working on ADAS systems is made easier with the innovative and unique combination of garage equipment and vehicle diagnostics from Snap-on.
Learn some important information and safety tips to be aware of when you are working on the different types of batteries used by hybrid vehicles.
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 in 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.
Having a hard time determining if an ignition coil is faulty? A quick test on your Snap-on diagnostic tool lets you compare the voltage and current of a coil.
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 learn how a Snap-on car diagnostic tool gives 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 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.
Take a look at some 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 1.4l common rail diesel engine wouldn't start. There was no voltage at terminal 50 of the starter motor when the ignition was turned.
A 2008 BMW E90 with a 2.0L spark ignition engine 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 engine code BRD had an intermittent no-start condition when the engine was up to operating temperature.
The polarity of a motor is reversible, allowing for accurate control of the system. One way to control the polarity is by designing 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 so you can capitalise on this to drive revenue with limited 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 had been to an independent repairer because the malfunction indicator lamp was on and it was running on limp mode.
A 2002 Toyota Yaris 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 engine code K20A6 had the engine management light illuminated and a fault code stored: EGR – Insufficient flow detected.
The vehicle is a 2003 Fiat Punto 1.2L petrol with engine code 188.A4.000. It 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.
Snap-on produces regular technical help articles based on real-world case studies by our team of experts.
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