Mass Air Flow 0
No, not Congress.
The sensor.
Second Son had problems with the engine in his truck surging.
With a little bit of googling, I narrowed it down to the MAF (Mass Air Flow) sensor and a dirty air filter as the probable suspects, so I cleaned them, then I drove to the truck for two hours today with no problems.
With my luck, I’ll get a phone call from him later tonight when he’s broken down on the side of the road . . . (fortunately, I got him his own AAA card).
Then, again, even a blind pig finds an acorn sometimes.
(Actually, I consider this a minor triumph. I understand carburetors, but, when I look at a fuel injector, I’m like the lady in the old AAMCO commercial who, when she looked under the hood, saw a only a bunch of “dark greasy shapes.”