Uploaded 28-Dec-13
Taken 8-Dec-13
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A mechanic sprays solvent on the Mass Air Flow (MAF) sensor as the engine runs. He told me that the engine was running very rich (air/fuel ratio too far toward the "fuel" side), and they suspected that the MAF wasn't properly communicating the amount of incoming air to the Engine Control Unit.
NIKON CORPORATION NIKON D7100, f/3.5 @ 55 mm, 1/160, ISO 100, No Flash

A mechanic sprays solvent on the Mass Air Flow (MAF) sensor as the engine runs. He told me that the engine was running very rich (air/fuel ratio too far toward the "fuel" side), and they suspected that the MAF wasn't properly communicating the amount of incoming air to the Engine Control Unit.