What is the break-in period?
Like all other cars on the market, the Ford Fusion requires a break-in period when purchased new. This is a relatively short period during which you need to drive under certain conditions and avoid some types of behavior in order to ensure that the engine is properly broken in for a lifetime of use. Here’s what Ford recommends:
The break-in period is roughly the first 1,000 miles.
Avoid driving continuously at the same speed during this time – vary your speeds frequently.
Don’t use things like “friction modifiers” or oil additives during this period, as Ford says they may prevent the piston rings from seating correctly.
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