Andrew Markel introduces two tips for diagnosing knock sensors, including checking AC voltage and the possible induction of a “knock moment.” Sponsored by Intermotor.
Video courtesy ImportCar.
Working on R-1234yf systems is not that different from the R-134a variety.
The benefit of R-1234yf is simple: the new refrigerant lasts only 11 days in the atmosphere, compared to 13 years for R-134a. This is why the EPA required R-1234yf to be installed in all new systems by 2021.
So, what does this mean for independent shop owners and technicians? It is not a question of if, but when, your shop will have to deal with one of these systems. While working on R-1234yf systems is not that different from the R-134a variety in operation or theory, identifying the refrigerant and recharging the system has some new twists.
To see inductance inside the primary windings, use an amp probe placed around the positive wire for the ignition coil.
Troubleshooting the problem comes down to knowing the failure, vehicle or fixtures.
No matter if it is a BMW or MINI, when the engine stops turning, the oil flowing to the turbocharger stops.
It is difficult to say when a battery pack will need to be replaced.
Accuracy is important for sophisticated ADAS systems.
Diagnosing the problem comes down to understanding what causes a loss of fuel pressure.
Learning how to read the tire and communicate your findings is the key to ride control.
It appears we’re dealing with the most unique and difficult colors in the history of car painting … or are we?
