Your transmission is a remarkable contraption. Somehow, it can shift your car from gear to gear, knowing how fast you need to go and how quickly you need to get there. What goes on inside is a mystery to most. Unless your thirst for automotive knowledge borders on compulsive, you can le...
Alex Leanse is the lead writer at YourMechanic.com. Whether it's camshaft timing, exotic car designs, or rally race tactics, there is no automotive topic beyond Alex’s interest. When he's not writing and reading about cars, Alex can be found adventuring on his bicycle. ...
Avoid getting stuck by the side of the road by learning how to diagnose and troubleshoot a failing ECU. What Are The Signs Of A Failing ECU? Your vehicle’s ECU ensures that many complex engine systems work in harmony (learn moreabout the ECU’s job here). If it starts to give probl...
Fortunately, many OBD II problems are relatively minor and have little impact on engine performance or reliability. But some do. The only way to know for sure what is causing the MIL lamp to come on is to plug a scan tool into the system and read the diagnostic fault code(s) to find ...
Diagnose electrical problems by chasing voltage drops, instead of the old-fashioned way -- checking continuity. Including Mike Allen's Physics 101 introduction to Ohm's law.
DIAGNOSE ENGINE HESITATION PROBLEM Diagnose may require checking the engine computer with a scan tool for any fault codes (including misfire codes), checking sensor response with a scan tool by looking at the various sensor PIDS (sensor values displayed on the scan tool), and testing sensors with...
Diagnosing automotive problems used to be much more challenging. A mechanic had to use all of their skills to pinpoint mechanical or electrical issues. Nowadays, you can diagnose many problems electronically. With an OBD scanner and a little know-how, anybody can identify precisely what’s wrong...
Another way to diagnose a check engine light is by using an OBD2 scanner. An onboard diagnostics scanner (OBD2) troubleshoots problems within a vehicle, and can alert mechanics and at-home users to issues with the engine, exhaust system and a variety of other problems. These tools work ...
Rolling back an odometer can be as simple as plugging in an Original Equipment Manufacturer (OEM) or On-Board Diagnostic (OBD) tool and resetting the car mileage. Manufacturers of these tools create them to enable mechanics to diagnose car issues. However, shady dealers and sellers use them to...
At the least, the support reps should be able to point you in the right direction, such as by sending you a link to an article in their knowledge base. Use a redirect checker. You can also troubleshoot redirect loops using free and paid tools to try to diagnose precisely which URLs ...