Piston Slap: The Low Oil Pressure Safety Net? (Part II)
I own a 2016 Ford Focus SE. The oil light came on, so I went and put a quart of oil in. Unfortunately, I forgot to put the oil cap back on, and realized it too late — when I came to a complete stop, I noticed oil was on the ground.
Luckily, the cap was still under the hood where I sat it down. So I put the cap back on, but the oil light was still on. I went to get some more oil. On my way to the store, I happened to be going up a small hill. My car sounded like it was straining to go up it. Anyhoo, once up the hill it shut down, so I waited a few seconds and start it up again. It went a few car lengths, then stopped completely. Now it won’t start at all, or turn over either.
My question, really, is what could it be, or did I damage my engine more than I think? I’m sending you this because I read one of the reviews ( the one with the Impala) and it’s a similar problem/question to mine.
It is 100 percent impossible to know if you damaged your engine, but we can all take educated guesses.
If you’re lucky, this is a well maintained Focus (i.e. oil changes on a regular basis), so there’s no sludge that could could block up oil passages and engine wear was normal for a vehicle this age (and mileage). If it’s sludge free, just like the Impala, the engine computer shut everything down so it’d save itself. That’s how the system works, in theory.
If it ran low on oil, has sludge, and you drove it to the point it shut down, the Focus’ motor might be dead. That’s because there’s only so much a computer can do to save a worn-out engine running on low oil pressure.
Too bad that, four years later, I still can’t Google any more information about these low oil pressure safety nets. What say you, Best and Brightest?
[Image: Shutterstock user ninefotostudio]
Send your queries to firstname.lastname@example.org. Spare no details and ask for a speedy resolution if you’re in a hurry…but be realistic, and use your make/model specific forums instead of TTAC for more timely advice.
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