Andrew Markel explains how a failing air filter can cause the contamination of the mass air flow sensor. Sponsored by Auto Value and Bumper to Bumper.
Video courtesy Underhood Service.
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.
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It appears we’re dealing with the most unique and difficult colors in the history of car painting … or are we?
