P1000 code on my 2008 Ford F150 5.4L

Question

2008 Ford F150 5.4L. These codes (p1000 and p0303) keep coming up. Why and what does it mean. Codes cleared but driven several hours since

Answer 1

P1000 On Board diagnostic (OBD) System Readiness Test not complete

This code does not set a CK ENG LT, what this mean is that you cleared the code , and when you do that the monitor are reset. Do not clear this code.

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